diff --git a/include/dnode/mnode/mnode.h b/include/dnode/mnode/mnode.h
index 1f205b3f11..4abf8c27fd 100644
--- a/include/dnode/mnode/mnode.h
+++ b/include/dnode/mnode/mnode.h
@@ -119,9 +119,9 @@ void    mndPostProcessQueryMsg(SRpcMsg *pMsg);
  */
 void mndGenerateMachineCode();
 
-void mndDumpSdb();
+int32_t mndDumpSdb();
 
-void mndDeleteTrans();
+int32_t mndDeleteTrans();
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mgmt/exe/dmMain.c b/source/dnode/mgmt/exe/dmMain.c
index 9f5db9b0eb..1fb5271a0e 100644
--- a/source/dnode/mgmt/exe/dmMain.c
+++ b/source/dnode/mgmt/exe/dmMain.c
@@ -433,7 +433,8 @@ int mainWindows(int argc, char **argv) {
   }
 
   if (global.dumpSdb) {
-    mndDumpSdb();
+    int32_t code = 0;
+    TAOS_CHECK_RETURN(mndDumpSdb());
     taosCleanupCfg();
     taosCloseLog();
     taosCleanupArgs();
@@ -442,6 +443,7 @@ int mainWindows(int argc, char **argv) {
   }
 
   if (global.deleteTrans) {
+    int32_t   code = 0;
     TdFilePtr pFile;
     if ((code = dmCheckRunning(tsDataDir, &pFile)) != 0) {
       printf("failed to generate encrypt code since taosd is running, please stop it first, reason:%s",
@@ -449,7 +451,7 @@ int mainWindows(int argc, char **argv) {
       return code;
     }
 
-    mndDeleteTrans();
+    TAOS_CHECK_RETURN(mndDeleteTrans());
     taosCleanupCfg();
     taosCloseLog();
     taosCleanupArgs();
diff --git a/source/dnode/mnode/impl/src/mndDump.c b/source/dnode/mnode/impl/src/mndDump.c
index 7613282ef8..d1dd99b319 100644
--- a/source/dnode/mnode/impl/src/mndDump.c
+++ b/source/dnode/mnode/impl/src/mndDump.c
@@ -16,6 +16,7 @@
 #define _DEFAULT_SOURCE
 #include "mndDb.h"
 #include "mndInt.h"
+#include "mndShow.h"
 #include "mndStb.h"
 #include "sdb.h"
 #include "tconfig.h"
@@ -46,7 +47,9 @@ char *i642str(int64_t val) {
 }
 
 void dumpFunc(SSdb *pSdb, SJson *json) {
-  void  *pIter = NULL;
+  int32_t code = 0;
+  int32_t lino = 0;
+  void   *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "funcs");
 
   while (1) {
@@ -55,26 +58,30 @@ void dumpFunc(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "name", pObj->name);
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "funcType", i642str(pObj->funcType));
-    (void)tjsonAddStringToObject(item, "scriptType", i642str(pObj->scriptType));
-    (void)tjsonAddStringToObject(item, "align", i642str(pObj->align));
-    (void)tjsonAddStringToObject(item, "outputType", i642str(pObj->outputType));
-    (void)tjsonAddStringToObject(item, "outputLen", i642str(pObj->outputLen));
-    (void)tjsonAddStringToObject(item, "bufSize", i642str(pObj->bufSize));
-    (void)tjsonAddStringToObject(item, "signature", i642str(pObj->signature));
-    (void)tjsonAddStringToObject(item, "commentSize", i642str(pObj->commentSize));
-    (void)tjsonAddStringToObject(item, "codeSize", i642str(pObj->codeSize));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", pObj->name), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "funcType", i642str(pObj->funcType)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "scriptType", i642str(pObj->scriptType)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "align", i642str(pObj->align)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "outputType", i642str(pObj->outputType)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "outputLen", i642str(pObj->outputLen)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "bufSize", i642str(pObj->bufSize)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "signature", i642str(pObj->signature)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "commentSize", i642str(pObj->commentSize)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "codeSize", i642str(pObj->codeSize)), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump func info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpDb(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonCreateObject();
-  (void)tjsonAddItemToObject(json, "dbs", items);
+  TAOS_CHECK_GOTO(tjsonAddItemToObject(json, "dbs", items), &lino, _OVER);
 
   while (1) {
     SDbObj *pObj = NULL;
@@ -82,65 +89,86 @@ void dumpDb(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToObject(items, "db", item);
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToObject(items, "db", item), pObj, &lino, _OVER);
 
-    (void)tjsonAddStringToObject(item, "name", mndGetDbStr(pObj->name));
-    (void)tjsonAddStringToObject(item, "acct", pObj->acct);
-    (void)tjsonAddStringToObject(item, "createUser", pObj->createUser);
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "uid", i642str(pObj->uid));
-    (void)tjsonAddStringToObject(item, "cfgVersion", i642str(pObj->cfgVersion));
-    (void)tjsonAddStringToObject(item, "vgVersion", i642str(pObj->vgVersion));
-    (void)tjsonAddStringToObject(item, "numOfVgroups", i642str(pObj->cfg.numOfVgroups));
-    (void)tjsonAddStringToObject(item, "numOfStables", i642str(pObj->cfg.numOfStables));
-    (void)tjsonAddStringToObject(item, "buffer", i642str(pObj->cfg.buffer));
-    (void)tjsonAddStringToObject(item, "pageSize", i642str(pObj->cfg.pageSize));
-    (void)tjsonAddStringToObject(item, "pages", i642str(pObj->cfg.pages));
-    (void)tjsonAddStringToObject(item, "cacheLastSize", i642str(pObj->cfg.cacheLastSize));
-    (void)tjsonAddStringToObject(item, "daysPerFile", i642str(pObj->cfg.daysPerFile));
-    (void)tjsonAddStringToObject(item, "daysToKeep0", i642str(pObj->cfg.daysToKeep0));
-    (void)tjsonAddStringToObject(item, "daysToKeep1", i642str(pObj->cfg.daysToKeep1));
-    (void)tjsonAddStringToObject(item, "daysToKeep2", i642str(pObj->cfg.daysToKeep2));
-    (void)tjsonAddStringToObject(item, "minRows", i642str(pObj->cfg.minRows));
-    (void)tjsonAddStringToObject(item, "maxRows", i642str(pObj->cfg.maxRows));
-    (void)tjsonAddStringToObject(item, "precision", i642str(pObj->cfg.precision));
-    (void)tjsonAddStringToObject(item, "compression", i642str(pObj->cfg.compression));
-    (void)tjsonAddStringToObject(item, "encryptAlgorithm", i642str(pObj->cfg.encryptAlgorithm));
-    (void)tjsonAddStringToObject(item, "replications", i642str(pObj->cfg.replications));
-    (void)tjsonAddStringToObject(item, "strict", i642str(pObj->cfg.strict));
-    (void)tjsonAddStringToObject(item, "cacheLast", i642str(pObj->cfg.cacheLast));
-    (void)tjsonAddStringToObject(item, "hashMethod", i642str(pObj->cfg.hashMethod));
-    (void)tjsonAddStringToObject(item, "hashPrefix", i642str(pObj->cfg.hashPrefix));
-    (void)tjsonAddStringToObject(item, "hashSuffix", i642str(pObj->cfg.hashSuffix));
-    (void)tjsonAddStringToObject(item, "sstTrigger", i642str(pObj->cfg.sstTrigger));
-    (void)tjsonAddStringToObject(item, "tsdbPageSize", i642str(pObj->cfg.tsdbPageSize));
-    (void)tjsonAddStringToObject(item, "schemaless", i642str(pObj->cfg.schemaless));
-    (void)tjsonAddStringToObject(item, "walLevel", i642str(pObj->cfg.walLevel));
-    (void)tjsonAddStringToObject(item, "walFsyncPeriod", i642str(pObj->cfg.walFsyncPeriod));
-    (void)tjsonAddStringToObject(item, "walRetentionPeriod", i642str(pObj->cfg.walRetentionPeriod));
-    (void)tjsonAddStringToObject(item, "walRetentionSize", i642str(pObj->cfg.walRetentionSize));
-    (void)tjsonAddStringToObject(item, "walRollPeriod", i642str(pObj->cfg.walRollPeriod));
-    (void)tjsonAddStringToObject(item, "walSegmentSize", i642str(pObj->cfg.walSegmentSize));
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", mndGetDbStr(pObj->name)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "acct", pObj->acct), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createUser", pObj->createUser), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "uid", i642str(pObj->uid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "cfgVersion", i642str(pObj->cfgVersion)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "vgVersion", i642str(pObj->vgVersion)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "numOfVgroups", i642str(pObj->cfg.numOfVgroups)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "numOfStables", i642str(pObj->cfg.numOfStables)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "buffer", i642str(pObj->cfg.buffer)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "pageSize", i642str(pObj->cfg.pageSize)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "pages", i642str(pObj->cfg.pages)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "cacheLastSize", i642str(pObj->cfg.cacheLastSize)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "daysPerFile", i642str(pObj->cfg.daysPerFile)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "daysToKeep0", i642str(pObj->cfg.daysToKeep0)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "daysToKeep1", i642str(pObj->cfg.daysToKeep1)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "daysToKeep2", i642str(pObj->cfg.daysToKeep2)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "minRows", i642str(pObj->cfg.minRows)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "maxRows", i642str(pObj->cfg.maxRows)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "precision", i642str(pObj->cfg.precision)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "compression", i642str(pObj->cfg.compression)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "encryptAlgorithm", i642str(pObj->cfg.encryptAlgorithm)), pObj,
+                        &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "replications", i642str(pObj->cfg.replications)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "strict", i642str(pObj->cfg.strict)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "cacheLast", i642str(pObj->cfg.cacheLast)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "hashMethod", i642str(pObj->cfg.hashMethod)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "hashPrefix", i642str(pObj->cfg.hashPrefix)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "hashSuffix", i642str(pObj->cfg.hashSuffix)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "sstTrigger", i642str(pObj->cfg.sstTrigger)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "tsdbPageSize", i642str(pObj->cfg.tsdbPageSize)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "schemaless", i642str(pObj->cfg.schemaless)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "walLevel", i642str(pObj->cfg.walLevel)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "walFsyncPeriod", i642str(pObj->cfg.walFsyncPeriod)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "walRetentionPeriod", i642str(pObj->cfg.walRetentionPeriod)), pObj,
+                        &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "walRetentionSize", i642str(pObj->cfg.walRetentionSize)), pObj,
+                        &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "walRollPeriod", i642str(pObj->cfg.walRollPeriod)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "walSegmentSize", i642str(pObj->cfg.walSegmentSize)), pObj, &lino,
+                        _OVER);
 
-    (void)tjsonAddStringToObject(item, "numOfRetensions", i642str(pObj->cfg.numOfRetensions));
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "numOfRetensions", i642str(pObj->cfg.numOfRetensions)), pObj,
+                        &lino, _OVER);
     for (int32_t i = 0; i < pObj->cfg.numOfRetensions; ++i) {
       SJson *rentensions = tjsonAddArrayToObject(item, "rentensions");
       SJson *rentension = tjsonCreateObject();
-      (void)tjsonAddItemToArray(rentensions, rentension);
+      RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(rentensions, rentension), pObj, &lino, _OVER);
 
       SRetention *pRetension = taosArrayGet(pObj->cfg.pRetensions, i);
-      (void)tjsonAddStringToObject(item, "freq", i642str(pRetension->freq));
-      (void)tjsonAddStringToObject(item, "freqUnit", i642str(pRetension->freqUnit));
-      (void)tjsonAddStringToObject(item, "keep", i642str(pRetension->keep));
-      (void)tjsonAddStringToObject(item, "keepUnit", i642str(pRetension->keepUnit));
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "freq", i642str(pRetension->freq)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "freqUnit", i642str(pRetension->freqUnit)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "keep", i642str(pRetension->keep)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "keepUnit", i642str(pRetension->keepUnit)), pObj, &lino, _OVER);
     }
 
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump db info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpStb(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "stbs");
 
@@ -150,62 +178,67 @@ void dumpStb(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "name", mndGetStbStr(pObj->name));
-    (void)tjsonAddStringToObject(item, "db", mndGetDbStr(pObj->db));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "uid", i642str(pObj->uid));
-    (void)tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid));
-    (void)tjsonAddStringToObject(item, "tagVer", i642str(pObj->tagVer));
-    (void)tjsonAddStringToObject(item, "colVer", i642str(pObj->colVer));
-    (void)tjsonAddStringToObject(item, "smaVer", i642str(pObj->smaVer));
-    (void)tjsonAddStringToObject(item, "nextColId", i642str(pObj->nextColId));
-    (void)tjsonAddStringToObject(item, "watermark1", i642str(pObj->watermark[0]));
-    (void)tjsonAddStringToObject(item, "watermark2", i642str(pObj->watermark[1]));
-    (void)tjsonAddStringToObject(item, "maxdelay0", i642str(pObj->maxdelay[0]));
-    (void)tjsonAddStringToObject(item, "maxdelay1", i642str(pObj->maxdelay[1]));
-    (void)tjsonAddStringToObject(item, "ttl", i642str(pObj->ttl));
-    (void)tjsonAddStringToObject(item, "numOfFuncs", i642str(pObj->numOfFuncs));
-    (void)tjsonAddStringToObject(item, "commentLen", i642str(pObj->commentLen));
-    (void)tjsonAddStringToObject(item, "ast1Len", i642str(pObj->ast1Len));
-    (void)tjsonAddStringToObject(item, "ast2Len", i642str(pObj->ast2Len));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", mndGetStbStr(pObj->name)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "db", mndGetDbStr(pObj->db)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "uid", i642str(pObj->uid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "tagVer", i642str(pObj->tagVer)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "colVer", i642str(pObj->colVer)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "smaVer", i642str(pObj->smaVer)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "nextColId", i642str(pObj->nextColId)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "watermark1", i642str(pObj->watermark[0])), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "watermark2", i642str(pObj->watermark[1])), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "maxdelay0", i642str(pObj->maxdelay[0])), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "maxdelay1", i642str(pObj->maxdelay[1])), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "ttl", i642str(pObj->ttl)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "numOfFuncs", i642str(pObj->numOfFuncs)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "commentLen", i642str(pObj->commentLen)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "ast1Len", i642str(pObj->ast1Len)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "ast2Len", i642str(pObj->ast2Len)), pObj, &lino, _OVER);
 
-    (void)tjsonAddStringToObject(item, "numOfColumns", i642str(pObj->numOfColumns));
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "numOfColumns", i642str(pObj->numOfColumns)), pObj, &lino, _OVER);
     SJson *columns = tjsonAddArrayToObject(item, "columns");
     for (int32_t i = 0; i < pObj->numOfColumns; ++i) {
       SJson *column = tjsonCreateObject();
-      (void)tjsonAddItemToArray(columns, column);
+      RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(columns, column), pObj, &lino, _OVER);
 
       SSchema *pColumn = &pObj->pColumns[i];
-      (void)tjsonAddStringToObject(column, "type", i642str(pColumn->type));
-      (void)tjsonAddStringToObject(column, "typestr", tDataTypes[pColumn->type].name);
-      (void)tjsonAddStringToObject(column, "flags", i642str(pColumn->flags));
-      (void)tjsonAddStringToObject(column, "colId", i642str(pColumn->colId));
-      (void)tjsonAddStringToObject(column, "bytes", i642str(pColumn->bytes));
-      (void)tjsonAddStringToObject(column, "name", pColumn->name);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(column, "type", i642str(pColumn->type)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(column, "typestr", tDataTypes[pColumn->type].name), pObj, &lino,
+                          _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(column, "flags", i642str(pColumn->flags)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(column, "colId", i642str(pColumn->colId)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(column, "bytes", i642str(pColumn->bytes)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(column, "name", pColumn->name), pObj, &lino, _OVER);
     }
 
-    (void)tjsonAddStringToObject(item, "numOfTags", i642str(pObj->numOfTags));
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "numOfTags", i642str(pObj->numOfTags)), pObj, &lino, _OVER);
     SJson *tags = tjsonAddArrayToObject(item, "tags");
     for (int32_t i = 0; i < pObj->numOfTags; ++i) {
       SJson *tag = tjsonCreateObject();
-      (void)tjsonAddItemToArray(tags, tag);
+      RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(tags, tag), pObj, &lino, _OVER);
 
       SSchema *pTag = &pObj->pTags[i];
-      (void)tjsonAddStringToObject(tag, "type", i642str(pTag->type));
-      (void)tjsonAddStringToObject(tag, "typestr", tDataTypes[pTag->type].name);
-      (void)tjsonAddStringToObject(tag, "flags", i642str(pTag->flags));
-      (void)tjsonAddStringToObject(tag, "colId", i642str(pTag->colId));
-      (void)tjsonAddStringToObject(tag, "bytes", i642str(pTag->bytes));
-      (void)tjsonAddStringToObject(tag, "name", pTag->name);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(tag, "type", i642str(pTag->type)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(tag, "typestr", tDataTypes[pTag->type].name), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(tag, "flags", i642str(pTag->flags)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(tag, "colId", i642str(pTag->colId)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(tag, "bytes", i642str(pTag->bytes)), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(tag, "name", pTag->name), pObj, &lino, _OVER);
     }
 
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump stable info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpSma(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "smas");
 
@@ -215,32 +248,37 @@ void dumpSma(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "name", mndGetStbStr(pObj->name));
-    (void)tjsonAddStringToObject(item, "stb", mndGetStbStr(pObj->stb));
-    (void)tjsonAddStringToObject(item, "db", mndGetDbStr(pObj->db));
-    (void)tjsonAddStringToObject(item, "dstTbName", mndGetStbStr(pObj->dstTbName));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "uid", i642str(pObj->uid));
-    (void)tjsonAddStringToObject(item, "stbUid", i642str(pObj->stbUid));
-    (void)tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid));
-    (void)tjsonAddStringToObject(item, "dstTbUid", i642str(pObj->dstTbUid));
-    (void)tjsonAddStringToObject(item, "intervalUnit", i642str(pObj->intervalUnit));
-    (void)tjsonAddStringToObject(item, "slidingUnit", i642str(pObj->slidingUnit));
-    (void)tjsonAddStringToObject(item, "timezone", i642str(pObj->timezone));
-    (void)tjsonAddStringToObject(item, "dstVgId", i642str(pObj->dstVgId));
-    (void)tjsonAddStringToObject(item, "interval", i642str(pObj->interval));
-    (void)tjsonAddStringToObject(item, "offset", i642str(pObj->offset));
-    (void)tjsonAddStringToObject(item, "sliding", i642str(pObj->sliding));
-    (void)tjsonAddStringToObject(item, "exprLen", i642str(pObj->exprLen));
-    (void)tjsonAddStringToObject(item, "tagsFilterLen", i642str(pObj->tagsFilterLen));
-    (void)tjsonAddStringToObject(item, "sqlLen", i642str(pObj->sqlLen));
-    (void)tjsonAddStringToObject(item, "astLen", i642str(pObj->astLen));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", mndGetStbStr(pObj->name)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "stb", mndGetStbStr(pObj->stb)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "db", mndGetDbStr(pObj->db)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dstTbName", mndGetStbStr(pObj->dstTbName)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "uid", i642str(pObj->uid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "stbUid", i642str(pObj->stbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dstTbUid", i642str(pObj->dstTbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "intervalUnit", i642str(pObj->intervalUnit)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "slidingUnit", i642str(pObj->slidingUnit)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "timezone", i642str(pObj->timezone)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dstVgId", i642str(pObj->dstVgId)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "interval", i642str(pObj->interval)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "offset", i642str(pObj->offset)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "sliding", i642str(pObj->sliding)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "exprLen", i642str(pObj->exprLen)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "tagsFilterLen", i642str(pObj->tagsFilterLen)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "sqlLen", i642str(pObj->sqlLen)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "astLen", i642str(pObj->astLen)), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump sma info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpVgroup(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "vgroups");
 
@@ -250,28 +288,33 @@ void dumpVgroup(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "vgId", i642str(pObj->vgId));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "version", i642str(pObj->version));
-    (void)tjsonAddStringToObject(item, "hashBegin", i642str(pObj->hashBegin));
-    (void)tjsonAddStringToObject(item, "hashEnd", i642str(pObj->hashEnd));
-    (void)tjsonAddStringToObject(item, "db", mndGetDbStr(pObj->dbName));
-    (void)tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid));
-    (void)tjsonAddStringToObject(item, "isTsma", i642str(pObj->isTsma));
-    (void)tjsonAddStringToObject(item, "replica", i642str(pObj->replica));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "vgId", i642str(pObj->vgId)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "version", i642str(pObj->version)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "hashBegin", i642str(pObj->hashBegin)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "hashEnd", i642str(pObj->hashEnd)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "db", mndGetDbStr(pObj->dbName)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "isTsma", i642str(pObj->isTsma)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "replica", i642str(pObj->replica)), pObj, &lino, _OVER);
     for (int32_t i = 0; i < pObj->replica; ++i) {
       SJson *replicas = tjsonAddArrayToObject(item, "replicas");
       SJson *replica = tjsonCreateObject();
-      (void)tjsonAddItemToArray(replicas, replica);
-      (void)tjsonAddStringToObject(replica, "dnodeId", i642str(pObj->vnodeGid[i].dnodeId));
+      RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(replicas, replica), pObj, &lino, _OVER);
+      RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(replica, "dnodeId", i642str(pObj->vnodeGid[i].dnodeId)), pObj, &lino,
+                          _OVER);
     }
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump vgroup info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpTopic(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "topics");
 
@@ -281,28 +324,32 @@ void dumpTopic(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "name", mndGetDbStr(pObj->name));
-    (void)tjsonAddStringToObject(item, "name", mndGetDbStr(pObj->db));
-    (void)tjsonAddStringToObject(item, "createTime", i642str(pObj->createTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "uid", i642str(pObj->uid));
-    (void)tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid));
-    (void)tjsonAddStringToObject(item, "version", i642str(pObj->version));
-    (void)tjsonAddStringToObject(item, "subType", i642str(pObj->subType));
-    (void)tjsonAddStringToObject(item, "withMeta", i642str(pObj->withMeta));
-    (void)tjsonAddStringToObject(item, "stbUid", i642str(pObj->stbUid));
-    (void)tjsonAddStringToObject(item, "stbName", mndGetStableStr(pObj->stbName));
-    (void)tjsonAddStringToObject(item, "sqlLen", i642str(pObj->sqlLen));
-    (void)tjsonAddStringToObject(item, "astLen", i642str(pObj->astLen));
-    (void)tjsonAddStringToObject(item, "sqlLen", i642str(pObj->sqlLen));
-    (void)tjsonAddStringToObject(item, "ntbUid", i642str(pObj->ntbUid));
-    (void)tjsonAddStringToObject(item, "ctbStbUid", i642str(pObj->ctbStbUid));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", mndGetDbStr(pObj->name)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", mndGetDbStr(pObj->db)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createTime", i642str(pObj->createTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "uid", i642str(pObj->uid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "version", i642str(pObj->version)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "subType", i642str(pObj->subType)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "withMeta", i642str(pObj->withMeta)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "stbUid", i642str(pObj->stbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "stbName", mndGetStableStr(pObj->stbName)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "sqlLen", i642str(pObj->sqlLen)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "astLen", i642str(pObj->astLen)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "sqlLen", i642str(pObj->sqlLen)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "ntbUid", i642str(pObj->ntbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "ctbStbUid", i642str(pObj->ctbStbUid)), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump topic info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpConsumer(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "consumers");
 
@@ -312,14 +359,18 @@ void dumpConsumer(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "consumerId", i642str(pObj->consumerId));
-    (void)tjsonAddStringToObject(item, "cgroup", pObj->cgroup);
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "consumerId", i642str(pObj->consumerId)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "cgroup", pObj->cgroup), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump consumer info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpSubscribe(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "subscribes");
 
@@ -329,16 +380,20 @@ void dumpSubscribe(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "key", pObj->key);
-    (void)tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid));
-    (void)tjsonAddStringToObject(item, "stbUid", i642str(pObj->stbUid));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "key", pObj->key), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dbUid", i642str(pObj->dbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "stbUid", i642str(pObj->stbUid)), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump subscribe info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpStream(SSdb *pSdb, SJson *json) {
-  void  *pIter = NULL;
+  int32_t code = 0;
+  int32_t lino = 0;
+  void   *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "streams");
 
   while (1) {
@@ -347,31 +402,38 @@ void dumpStream(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "name", mndGetDbStr(pObj->name));
-    (void)tjsonAddStringToObject(item, "createTime", i642str(pObj->createTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "version", i642str(pObj->version));
-    (void)tjsonAddStringToObject(item, "totalLevel", i642str(pObj->totalLevel));
-    (void)tjsonAddStringToObject(item, "smaId", i642str(pObj->smaId));
-    (void)tjsonAddStringToObject(item, "uid", i642str(pObj->uid));
-    (void)tjsonAddStringToObject(item, "status", i642str(pObj->status));
-    (void)tjsonAddStringToObject(item, "igExpired", i642str(pObj->conf.igExpired));
-    (void)tjsonAddStringToObject(item, "trigger", i642str(pObj->conf.trigger));
-    (void)tjsonAddStringToObject(item, "triggerParam", i642str(pObj->conf.triggerParam));
-    (void)tjsonAddStringToObject(item, "watermark", i642str(pObj->conf.watermark));
-    (void)tjsonAddStringToObject(item, "sourceDbUid", i642str(pObj->sourceDbUid));
-    (void)tjsonAddStringToObject(item, "targetDbUid", i642str(pObj->targetDbUid));
-    (void)tjsonAddStringToObject(item, "sourceDb", mndGetDbStr(pObj->sourceDb));
-    (void)tjsonAddStringToObject(item, "targetDb", mndGetDbStr(pObj->targetDb));
-    (void)tjsonAddStringToObject(item, "targetSTbName", mndGetStbStr(pObj->targetSTbName));
-    (void)tjsonAddStringToObject(item, "targetStbUid", i642str(pObj->targetStbUid));
-    (void)tjsonAddStringToObject(item, "fixedSinkVgId", i642str(pObj->fixedSinkVgId));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", mndGetDbStr(pObj->name)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createTime", i642str(pObj->createTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "version", i642str(pObj->version)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "totalLevel", i642str(pObj->totalLevel)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "smaId", i642str(pObj->smaId)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "uid", i642str(pObj->uid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "status", i642str(pObj->status)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "igExpired", i642str(pObj->conf.igExpired)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "trigger", i642str(pObj->conf.trigger)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "triggerParam", i642str(pObj->conf.triggerParam)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "watermark", i642str(pObj->conf.watermark)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "sourceDbUid", i642str(pObj->sourceDbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "targetDbUid", i642str(pObj->targetDbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "sourceDb", mndGetDbStr(pObj->sourceDb)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "targetDb", mndGetDbStr(pObj->targetDb)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "targetSTbName", mndGetStbStr(pObj->targetSTbName)), pObj, &lino,
+                        _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "targetStbUid", i642str(pObj->targetStbUid)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "fixedSinkVgId", i642str(pObj->fixedSinkVgId)), pObj, &lino,
+                        _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump stream info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpAcct(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "accts");
 
@@ -381,13 +443,15 @@ void dumpAcct(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "acct", pObj->acct);
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "acctId", i642str(pObj->acctId));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "acct", pObj->acct), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "acctId", i642str(pObj->acctId)), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump acct info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpAuth(SSdb *pSdb, SJson *json) {
@@ -395,6 +459,8 @@ void dumpAuth(SSdb *pSdb, SJson *json) {
 }
 
 void dumpUser(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "users");
 
@@ -404,21 +470,27 @@ void dumpUser(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "name", pObj->user);
-    (void)tjsonAddStringToObject(item, "acct", pObj->acct);
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "superUser", i642str(pObj->superUser));
-    (void)tjsonAddStringToObject(item, "authVersion", i642str(pObj->authVersion));
-    (void)tjsonAddStringToObject(item, "passVersion", i642str(pObj->passVersion));
-    (void)tjsonAddStringToObject(item, "numOfReadDbs", i642str(taosHashGetSize(pObj->readDbs)));
-    (void)tjsonAddStringToObject(item, "numOfWriteDbs", i642str(taosHashGetSize(pObj->writeDbs)));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", pObj->user), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "acct", pObj->acct), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "superUser", i642str(pObj->superUser)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "authVersion", i642str(pObj->authVersion)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "passVersion", i642str(pObj->passVersion)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "numOfReadDbs", i642str(taosHashGetSize(pObj->readDbs))), pObj,
+                        &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "numOfWriteDbs", i642str(taosHashGetSize(pObj->writeDbs))), pObj,
+                        &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump user info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpDnode(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "dnodes");
 
@@ -428,17 +500,21 @@ void dumpDnode(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "id", i642str(pObj->id));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "port", i642str(pObj->port));
-    (void)tjsonAddStringToObject(item, "fqdn", pObj->fqdn);
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "id", i642str(pObj->id)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "port", i642str(pObj->port)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "fqdn", pObj->fqdn), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump dnode info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpSnode(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "snodes");
 
@@ -448,15 +524,19 @@ void dumpSnode(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "id", i642str(pObj->id));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "id", i642str(pObj->id)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump snode info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpQnode(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "qnodes");
 
@@ -466,15 +546,19 @@ void dumpQnode(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "id", i642str(pObj->id));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "id", i642str(pObj->id)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump qnode info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpMnode(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "mnodes");
 
@@ -484,15 +568,20 @@ void dumpMnode(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "id", i642str(pObj->id));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "id", i642str(pObj->id)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+_OVER:
+  if (code != 0) mError("failed to dump mnode info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpCluster(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
+
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "clusters");
 
@@ -502,16 +591,21 @@ void dumpCluster(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "id", i642str(pObj->id));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime));
-    (void)tjsonAddStringToObject(item, "name", pObj->name);
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "id", i642str(pObj->id)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "updateTime", i642str(pObj->updateTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "name", pObj->name), pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+
+_OVER:
+  if (code != 0) mError("failed to dump cluster info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpTrans(SSdb *pSdb, SJson *json) {
+  int32_t code = 0;
+  int32_t lino = 0;
   void  *pIter = NULL;
   SJson *items = tjsonAddArrayToObject(json, "transactions");
 
@@ -521,53 +615,64 @@ void dumpTrans(SSdb *pSdb, SJson *json) {
     if (pIter == NULL) break;
 
     SJson *item = tjsonCreateObject();
-    (void)tjsonAddItemToArray(items, item);
-    (void)tjsonAddStringToObject(item, "id", i642str(pObj->id));
-    (void)tjsonAddStringToObject(item, "stage", i642str(pObj->stage));
-    (void)tjsonAddStringToObject(item, "policy", i642str(pObj->policy));
-    (void)tjsonAddStringToObject(item, "conflict", i642str(pObj->conflict));
-    (void)tjsonAddStringToObject(item, "exec", i642str(pObj->exec));
-    (void)tjsonAddStringToObject(item, "oper", i642str(pObj->oper));
-    (void)tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime));
-    (void)tjsonAddStringToObject(item, "dbname", pObj->dbname);
-    (void)tjsonAddStringToObject(item, "stbname", pObj->stbname);
-    (void)tjsonAddStringToObject(item, "opername", pObj->opername);
-    (void)tjsonAddStringToObject(item, "commitLogNum", i642str(taosArrayGetSize(pObj->commitActions)));
-    (void)tjsonAddStringToObject(item, "redoActionNum", i642str(taosArrayGetSize(pObj->redoActions)));
-    (void)tjsonAddStringToObject(item, "undoActionNum", i642str(taosArrayGetSize(pObj->undoActions)));
+    RETRIEVE_CHECK_GOTO(tjsonAddItemToArray(items, item), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "id", i642str(pObj->id)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "stage", i642str(pObj->stage)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "policy", i642str(pObj->policy)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "conflict", i642str(pObj->conflict)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "exec", i642str(pObj->exec)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "oper", i642str(pObj->oper)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "createdTime", i642str(pObj->createdTime)), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "dbname", pObj->dbname), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "stbname", pObj->stbname), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "opername", pObj->opername), pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "commitLogNum", i642str(taosArrayGetSize(pObj->commitActions))),
+                        pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "redoActionNum", i642str(taosArrayGetSize(pObj->redoActions))),
+                        pObj, &lino, _OVER);
+    RETRIEVE_CHECK_GOTO(tjsonAddStringToObject(item, "undoActionNum", i642str(taosArrayGetSize(pObj->undoActions))),
+                        pObj, &lino, _OVER);
     sdbRelease(pSdb, pObj);
   }
+
+_OVER:
+  if (code != 0) mError("failed to dump trans info at line:%d since %s", lino, tstrerror(code));
 }
 
 void dumpHeader(SSdb *pSdb, SJson *json) {
-  (void)tjsonAddStringToObject(json, "sver", i642str(1));
-  (void)tjsonAddStringToObject(json, "applyIndex", i642str(pSdb->applyIndex));
-  (void)tjsonAddStringToObject(json, "applyTerm", i642str(pSdb->applyTerm));
-  (void)tjsonAddStringToObject(json, "applyConfig", i642str(pSdb->applyConfig));
+  int32_t code = 0;
+  int32_t lino = 0;
+  TAOS_CHECK_GOTO(tjsonAddStringToObject(json, "sver", i642str(1)), &lino, _OVER);
+  TAOS_CHECK_GOTO(tjsonAddStringToObject(json, "applyIndex", i642str(pSdb->applyIndex)), &lino, _OVER);
+  TAOS_CHECK_GOTO(tjsonAddStringToObject(json, "applyTerm", i642str(pSdb->applyTerm)), &lino, _OVER);
+  TAOS_CHECK_GOTO(tjsonAddStringToObject(json, "applyConfig", i642str(pSdb->applyConfig)), &lino, _OVER);
 
   SJson *maxIdsJson = tjsonCreateObject();
-  (void)tjsonAddItemToObject(json, "maxIds", maxIdsJson);
+  TAOS_CHECK_GOTO(tjsonAddItemToObject(json, "maxIds", maxIdsJson), &lino, _OVER);
   for (int32_t i = 0; i < SDB_MAX; ++i) {
     if(i == 5) continue;
     int64_t maxId = 0;
     if (i < SDB_MAX) {
       maxId = pSdb->maxId[i];
     }
-    (void)tjsonAddStringToObject(maxIdsJson, sdbTableName(i), i642str(maxId));
+    TAOS_CHECK_GOTO(tjsonAddStringToObject(maxIdsJson, sdbTableName(i), i642str(maxId)), &lino, _OVER);
   }
 
   SJson *tableVersJson = tjsonCreateObject();
-  (void)tjsonAddItemToObject(json, "tableVers", tableVersJson);
+  TAOS_CHECK_GOTO(tjsonAddItemToObject(json, "tableVers", tableVersJson), &lino, _OVER);
   for (int32_t i = 0; i < SDB_MAX; ++i) {
     int64_t tableVer = 0;
     if (i < SDB_MAX) {
       tableVer = pSdb->tableVer[i];
     }
-    (void)tjsonAddStringToObject(tableVersJson, sdbTableName(i), i642str(tableVer));
+    TAOS_CHECK_GOTO(tjsonAddStringToObject(tableVersJson, sdbTableName(i), i642str(tableVer)), &lino, _OVER);
   }
+
+_OVER:
+  if (code != 0) mError("failed to dump sdb info at line:%d since %s", lino, tstrerror(code));
 }
 
-void mndDumpSdb() {
+int32_t mndDumpSdb() {
   mInfo("start to dump sdb info to sdb.json");
 
   char path[PATH_MAX * 2] = {0};
@@ -581,12 +686,12 @@ void mndDumpSdb() {
   msgCb.mgmt = (SMgmtWrapper *)(&msgCb);  // hack
   tmsgSetDefault(&msgCb);
 
-  (void)walInit(NULL);
-  (void)syncInit();
+  TAOS_CHECK_RETURN(walInit(NULL));
+  TAOS_CHECK_RETURN(syncInit());
 
   SMnodeOpt opt = {.msgCb = msgCb};
   SMnode   *pMnode = mndOpen(path, &opt);
-  if (pMnode == NULL) return;
+  if (pMnode == NULL) return -1;
 
   SSdb  *pSdb = pMnode->pSdb;
   SJson *json = tjsonCreateObject();
@@ -616,21 +721,21 @@ void mndDumpSdb() {
   char      file[] = "sdb.json";
   TdFilePtr pFile = taosOpenFile(file, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_TRUNC | TD_FILE_WRITE_THROUGH);
   if (pFile == NULL) {
-    terrno = terrno;
     mError("failed to write %s since %s", file, terrstr());
-    return;
+    return terrno;
   }
-  (void)taosWriteFile(pFile, pCont, contLen);
-  (void)taosWriteFile(pFile, "\n", 1);
-  UNUSED(taosFsyncFile(pFile));
-  (void)taosCloseFile(&pFile);
+  TAOS_CHECK_RETURN(taosWriteFile(pFile, pCont, contLen));
+  TAOS_CHECK_RETURN(taosWriteFile(pFile, "\n", 1));
+  TAOS_CHECK_RETURN(taosFsyncFile(pFile));
+  TAOS_CHECK_RETURN(taosCloseFile(&pFile));
   tjsonDelete(json);
   taosMemoryFree(pCont);
 
   mInfo("dump sdb info success");
+  return 0;
 }
 
-void mndDeleteTrans() {
+int32_t mndDeleteTrans() {
   mInfo("start to dump sdb info to sdb.json");
 
   char path[PATH_MAX * 2] = {0};
@@ -644,16 +749,18 @@ void mndDeleteTrans() {
   msgCb.mgmt = (SMgmtWrapper *)(&msgCb);  // hack
   tmsgSetDefault(&msgCb);
 
-  (void)walInit(NULL);
-  (void)syncInit();
+  TAOS_CHECK_RETURN(walInit(NULL));
+  TAOS_CHECK_RETURN(syncInit());
 
   SMnodeOpt opt = {.msgCb = msgCb};
   SMnode   *pMnode = mndOpen(path, &opt);
-  if (pMnode == NULL) return;
+  if (pMnode == NULL) return terrno;
 
-  (void)sdbWriteFileForDump(pMnode->pSdb);
+  TAOS_CHECK_RETURN(sdbWriteFileForDump(pMnode->pSdb));
 
   mInfo("dump sdb info success");
+
+  return 0;
 }
 
 #pragma GCC diagnostic pop