diff --git a/source/dnode/vnode/src/inc/meta.h b/source/dnode/vnode/src/inc/meta.h
index 96feee3d7d..1e271bc8d8 100644
--- a/source/dnode/vnode/src/inc/meta.h
+++ b/source/dnode/vnode/src/inc/meta.h
@@ -37,6 +37,9 @@ typedef struct SMSmaCursor SMSmaCursor;
 // clang-format on
 
 // metaOpen ==================
+int32_t metaRLock(SMeta* pMeta);
+int32_t metaWLock(SMeta* pMeta);
+int32_t metaULock(SMeta* pMeta);
 
 // metaEntry ==================
 int metaEncodeEntry(SEncoder* pCoder, const SMetaEntry* pME);
@@ -57,6 +60,8 @@ int  metaRemoveTableFromIdx(SMeta* pMeta, tb_uid_t uid);
 static FORCE_INLINE tb_uid_t metaGenerateUid(SMeta* pMeta) { return tGenIdPI64(); }
 
 struct SMeta {
+  TdThreadRwlock lock;
+
   char*     path;
   SVnode*   pVnode;
   TENV*     pEnv;
diff --git a/source/dnode/vnode/src/meta/metaOpen.c b/source/dnode/vnode/src/meta/metaOpen.c
index 85a49ffabd..8b3f555f4f 100644
--- a/source/dnode/vnode/src/meta/metaOpen.c
+++ b/source/dnode/vnode/src/meta/metaOpen.c
@@ -22,6 +22,9 @@ static int tagIdxKeyCmpr(const void *pKey1, int kLen1, const void *pKey2, int kL
 static int ttlIdxKeyCmpr(const void *pKey1, int kLen1, const void *pKey2, int kLen2);
 static int uidIdxKeyCmpr(const void *pKey1, int kLen1, const void *pKey2, int kLen2);
 
+static int32_t metaInitLock(SMeta *pMeta) { return taosThreadRwlockInit(&pMeta->lock, NULL); }
+static int32_t metaDestroyLock(SMeta *pMeta) { return taosThreadRwlockDestroy(&pMeta->lock); }
+
 int metaOpen(SVnode *pVnode, SMeta **ppMeta) {
   SMeta *pMeta = NULL;
   int    ret;
@@ -36,6 +39,7 @@ int metaOpen(SVnode *pVnode, SMeta **ppMeta) {
     return -1;
   }
 
+  metaInitLock(pMeta);
   pMeta->path = (char *)&pMeta[1];
   sprintf(pMeta->path, "%s%s%s%s%s", tfsGetPrimaryPath(pVnode->pTfs), TD_DIRSEP, pVnode->path, TD_DIRSEP,
           VNODE_META_DIR);
@@ -121,6 +125,7 @@ _err:
   if (pMeta->pSkmDb) tdbDbClose(pMeta->pSkmDb);
   if (pMeta->pTbDb) tdbDbClose(pMeta->pTbDb);
   if (pMeta->pEnv) tdbEnvClose(pMeta->pEnv);
+  metaDestroyLock(pMeta);
   taosMemoryFree(pMeta);
   return -1;
 }
@@ -136,12 +141,19 @@ int metaClose(SMeta *pMeta) {
     if (pMeta->pSkmDb) tdbDbClose(pMeta->pSkmDb);
     if (pMeta->pTbDb) tdbDbClose(pMeta->pTbDb);
     if (pMeta->pEnv) tdbEnvClose(pMeta->pEnv);
+    metaDestroyLock(pMeta);
     taosMemoryFree(pMeta);
   }
 
   return 0;
 }
 
+int32_t metaRLock(SMeta *pMeta) { return taosThreadRwlockRdlock(&pMeta->lock); }
+
+int32_t metaWLock(SMeta *pMeta) { return taosThreadRwlockWrlock(&pMeta->lock); }
+
+int32_t metaULock(SMeta *pMeta) { return taosThreadRwlockUnlock(&pMeta->lock); }
+
 static int tbDbKeyCmpr(const void *pKey1, int kLen1, const void *pKey2, int kLen2) {
   STbDbKey *pTbDbKey1 = (STbDbKey *)pKey1;
   STbDbKey *pTbDbKey2 = (STbDbKey *)pKey2;
diff --git a/source/dnode/vnode/src/meta/metaQuery.c b/source/dnode/vnode/src/meta/metaQuery.c
index 68fbf01e28..8d2a4ebcf3 100644
--- a/source/dnode/vnode/src/meta/metaQuery.c
+++ b/source/dnode/vnode/src/meta/metaQuery.c
@@ -19,9 +19,13 @@ void metaReaderInit(SMetaReader *pReader, SMeta *pMeta, int32_t flags) {
   memset(pReader, 0, sizeof(*pReader));
   pReader->flags = flags;
   pReader->pMeta = pMeta;
+  metaRLock(pMeta);
 }
 
 void metaReaderClear(SMetaReader *pReader) {
+  if (pReader->pMeta) {
+    metaULock(pReader->pMeta);
+  }
   tDecoderClear(&pReader->coder);
   tdbFree(pReader->pBuf);
 }
diff --git a/source/dnode/vnode/src/meta/metaTable.c b/source/dnode/vnode/src/meta/metaTable.c
index 7663047429..20248f39fb 100644
--- a/source/dnode/vnode/src/meta/metaTable.c
+++ b/source/dnode/vnode/src/meta/metaTable.c
@@ -439,29 +439,36 @@ _exit:
 }
 
 static int metaHandleEntry(SMeta *pMeta, const SMetaEntry *pME) {
+  metaWLock(pMeta);
+
   // save to table.db
-  if (metaSaveToTbDb(pMeta, pME) < 0) return -1;
+  if (metaSaveToTbDb(pMeta, pME) < 0) goto _err;
 
   // update uid.idx
-  if (metaUpdateUidIdx(pMeta, pME) < 0) return -1;
+  if (metaUpdateUidIdx(pMeta, pME) < 0) goto _err;
 
   // update name.idx
-  if (metaUpdateNameIdx(pMeta, pME) < 0) return -1;
+  if (metaUpdateNameIdx(pMeta, pME) < 0) goto _err;
 
   if (pME->type == TSDB_CHILD_TABLE) {
     // update ctb.idx
-    if (metaUpdateCtbIdx(pMeta, pME) < 0) return -1;
+    if (metaUpdateCtbIdx(pMeta, pME) < 0) goto _err;
 
     // update tag.idx
-    if (metaUpdateTagIdx(pMeta, pME) < 0) return -1;
+    if (metaUpdateTagIdx(pMeta, pME) < 0) goto _err;
   } else {
     // update schema.db
-    if (metaSaveToSkmDb(pMeta, pME) < 0) return -1;
+    if (metaSaveToSkmDb(pMeta, pME) < 0) goto _err;
   }
 
   if (pME->type != TSDB_SUPER_TABLE) {
-    if (metaUpdateTtlIdx(pMeta, pME) < 0) return -1;
+    if (metaUpdateTtlIdx(pMeta, pME) < 0) goto _err;
   }
 
+  metaULock(pMeta);
   return 0;
+
+_err:
+  metaULock(pMeta);
+  return -1;
 }
\ No newline at end of file
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 4638066935..2511e3a570 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -3870,6 +3870,7 @@ int32_t tsdbQuerySTableByTagCond(void* pMeta, uint64_t uid, TSKEY skey, const ch
 
   if (metaGetTableEntryByUid(&mr, uid) < 0) {
     tsdbError("%p failed to get stable, uid:%" PRIu64 ", TID:0x%" PRIx64 " QID:0x%" PRIx64, pMeta, uid, taskId, reqId);
+    metaReaderClear(&mr);
     terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
     goto _error;
   } else {
@@ -3880,6 +3881,7 @@ int32_t tsdbQuerySTableByTagCond(void* pMeta, uint64_t uid, TSKEY skey, const ch
     tsdbError("%p query normal tag not allowed, uid:%" PRIu64 ", TID:0x%" PRIx64 " QID:0x%" PRIx64, pMeta, uid, taskId,
               reqId);
     terrno = TSDB_CODE_OPS_NOT_SUPPORT;  // basically, this error is caused by invalid sql issued by client
+    metaReaderClear(&mr);
     goto _error;
   }
 
diff --git a/source/libs/executor/inc/indexoperator.h b/source/libs/executor/inc/indexoperator.h
index 9e67ac7f41..d033c63ef8 100644
--- a/source/libs/executor/inc/indexoperator.h
+++ b/source/libs/executor/inc/indexoperator.h
@@ -13,11 +13,23 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "filter.h"
+#ifndef _INDEX_OPERATOR_H
+#define _INDEX_OPERATOR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "nodes.h"
 #include "tglobal.h"
 
 typedef enum { SFLT_NOT_INDEX, SFLT_COARSE_INDEX, SFLT_ACCURATE_INDEX } SIdxFltStatus;
 
 SIdxFltStatus idxGetFltStatus(SNode *pFilterNode);
 // construct tag filter operator later
-int32_t doFilterTag(const SNode *pFilterNode, SArray *resutl);
+int32_t doFilterTag(const SNode *pFilterNode, SArray *result);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*INDEX_OPERATOR_*/
diff --git a/source/libs/executor/src/indexoperator.c b/source/libs/executor/src/indexoperator.c
index fe30ebb2ea..c17fcacf1f 100644
--- a/source/libs/executor/src/indexoperator.c
+++ b/source/libs/executor/src/indexoperator.c
@@ -583,7 +583,7 @@ int32_t doFilterTag(const SNode *pFilterNode, SArray *result) {
 
   SFilterInfo *filter = NULL;
   // todo move to the initialization function
-  SIF_ERR_RET(filterInitFromNode((SNode *)pFilterNode, &filter, 0));
+  // SIF_ERR_RET(filterInitFromNode((SNode *)pFilterNode, &filter, 0));
 
   SIFParam param = {0};
   SIF_ERR_RET(sifCalculate((SNode *)pFilterNode, &param));
@@ -598,9 +598,9 @@ SIdxFltStatus idxGetFltStatus(SNode *pFilterNode) {
   if (pFilterNode == NULL) {
     return SFLT_NOT_INDEX;
   }
-  SFilterInfo *filter = NULL;
+  // SFilterInfo *filter = NULL;
   // todo move to the initialization function
-  SIF_ERR_RET(filterInitFromNode((SNode *)pFilterNode, &filter, 0));
+  // SIF_ERR_RET(filterInitFromNode((SNode *)pFilterNode, &filter, 0));
 
   SIF_ERR_RET(sifGetFltHint((SNode *)pFilterNode, &st));
   return st;
diff --git a/source/libs/executor/test/executorTests.cpp b/source/libs/executor/test/executorTests.cpp
index 5ed960af82..c7ec0eece2 100644
--- a/source/libs/executor/test/executorTests.cpp
+++ b/source/libs/executor/test/executorTests.cpp
@@ -948,10 +948,6 @@ TEST(testCase, build_executor_tree_Test) {
   code = qCreateExecTask(&handle, 2, 1, plan, (void**)&pTaskInfo, &sinkHandle, OPTR_EXEC_MODEL_BATCH);
   ASSERT_EQ(code, 0);
 }
-TEST(testCase, index_plan_test) {
-  // add later
-  EXPECT_EQ(0, 0);
-}
 #if 0
 
 TEST(testCase, inMem_sort_Test) {
diff --git a/source/libs/executor/test/indexexcutorTests.cpp b/source/libs/executor/test/indexexcutorTests.cpp
new file mode 100644
index 0000000000..5f1bff45a3
--- /dev/null
+++ b/source/libs/executor/test/indexexcutorTests.cpp
@@ -0,0 +1,253 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gtest/gtest.h>
+#include <tglobal.h>
+#include <tsort.h>
+#include <iostream>
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wwrite-strings"
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wsign-compare"
+
+#include "executor.h"
+#include "executorimpl.h"
+#include "indexoperator.h"
+#include "os.h"
+
+#include "stub.h"
+#include "taos.h"
+#include "tcompare.h"
+#include "tdatablock.h"
+#include "tdef.h"
+#include "trpc.h"
+#include "tvariant.h"
+
+namespace {
+SColumnInfo createColumnInfo(int32_t colId, int32_t type, int32_t bytes) {
+  SColumnInfo info = {0};
+  info.colId = colId;
+  info.type = type;
+  info.bytes = bytes;
+  return info;
+}
+
+int64_t sifLeftV = 21, sifRightV = 10;
+double  sifLeftVd = 21.0, sifRightVd = 10.0;
+
+void sifFreeDataBlock(void *block) { blockDataDestroy(*(SSDataBlock **)block); }
+
+void sifInitLogFile() {
+  const char *  defaultLogFileNamePrefix = "taoslog";
+  const int32_t maxLogFileNum = 10;
+
+  tsAsyncLog = 0;
+  qDebugFlag = 159;
+  strcpy(tsLogDir, "/tmp/sif");
+  taosRemoveDir(tsLogDir);
+  taosMkDir(tsLogDir);
+
+  if (taosInitLog(defaultLogFileNamePrefix, maxLogFileNum) < 0) {
+    printf("failed to open log file in directory:%s\n", tsLogDir);
+  }
+}
+
+void sifAppendReservedSlot(SArray *pBlockList, int16_t *dataBlockId, int16_t *slotId, bool newBlock, int32_t rows,
+                           SColumnInfo *colInfo) {
+  if (newBlock) {
+    SSDataBlock *res = (SSDataBlock *)taosMemoryCalloc(1, sizeof(SSDataBlock));
+    res->info.numOfCols = 1;
+    res->info.rows = rows;
+    res->pDataBlock = taosArrayInit(1, sizeof(SColumnInfoData));
+    SColumnInfoData idata = {0};
+    idata.info = *colInfo;
+
+    taosArrayPush(res->pDataBlock, &idata);
+    taosArrayPush(pBlockList, &res);
+
+    blockDataEnsureCapacity(res, rows);
+
+    *dataBlockId = taosArrayGetSize(pBlockList) - 1;
+    res->info.blockId = *dataBlockId;
+    *slotId = 0;
+  } else {
+    SSDataBlock *res = *(SSDataBlock **)taosArrayGetLast(pBlockList);
+    res->info.numOfCols++;
+    SColumnInfoData idata = {0};
+    idata.info = *colInfo;
+
+    colInfoDataEnsureCapacity(&idata, 0, rows);
+
+    taosArrayPush(res->pDataBlock, &idata);
+
+    *dataBlockId = taosArrayGetSize(pBlockList) - 1;
+    *slotId = taosArrayGetSize(res->pDataBlock) - 1;
+  }
+}
+
+void sifMakeValueNode(SNode **pNode, int32_t dataType, void *value) {
+  SNode *     node = (SNode *)nodesMakeNode(QUERY_NODE_VALUE);
+  SValueNode *vnode = (SValueNode *)node;
+  vnode->node.resType.type = dataType;
+
+  if (IS_VAR_DATA_TYPE(dataType)) {
+    vnode->datum.p = (char *)taosMemoryMalloc(varDataTLen(value));
+    varDataCopy(vnode->datum.p, value);
+    vnode->node.resType.bytes = varDataTLen(value);
+  } else {
+    vnode->node.resType.bytes = tDataTypes[dataType].bytes;
+    assignVal((char *)nodesGetValueFromNode(vnode), (const char *)value, 0, dataType);
+  }
+
+  *pNode = (SNode *)vnode;
+}
+
+void sifMakeColumnNode(SNode **pNode, const char *db, const char *colName, EColumnType colType, uint8_t colValType) {
+  SNode *      node = (SNode *)nodesMakeNode(QUERY_NODE_COLUMN);
+  SColumnNode *rnode = (SColumnNode *)node;
+  memcpy(rnode->dbName, db, strlen(db));
+  memcpy(rnode->colName, colName, strlen(colName));
+
+  rnode->colType = colType;
+  rnode->node.resType.type = colValType;
+
+  *pNode = (SNode *)rnode;
+}
+
+void sifMakeOpNode(SNode **pNode, EOperatorType opType, int32_t resType, SNode *pLeft, SNode *pRight) {
+  SNode *        node = (SNode *)nodesMakeNode(QUERY_NODE_OPERATOR);
+  SOperatorNode *onode = (SOperatorNode *)node;
+  onode->node.resType.type = resType;
+  onode->node.resType.bytes = tDataTypes[resType].bytes;
+
+  onode->opType = opType;
+  onode->pLeft = pLeft;
+  onode->pRight = pRight;
+
+  *pNode = (SNode *)onode;
+}
+
+void sifMakeListNode(SNode **pNode, SNodeList *list, int32_t resType) {
+  SNode *        node = (SNode *)nodesMakeNode(QUERY_NODE_NODE_LIST);
+  SNodeListNode *lnode = (SNodeListNode *)node;
+  lnode->dataType.type = resType;
+  lnode->pNodeList = list;
+
+  *pNode = (SNode *)lnode;
+}
+
+void sifMakeLogicNode(SNode **pNode, ELogicConditionType opType, SNode **nodeList, int32_t nodeNum) {
+  SNode *              node = (SNode *)nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
+  SLogicConditionNode *onode = (SLogicConditionNode *)node;
+  onode->condType = opType;
+  onode->node.resType.type = TSDB_DATA_TYPE_BOOL;
+  onode->node.resType.bytes = sizeof(bool);
+
+  onode->pParameterList = nodesMakeList();
+  for (int32_t i = 0; i < nodeNum; ++i) {
+    nodesListAppend(onode->pParameterList, nodeList[i]);
+  }
+
+  *pNode = (SNode *)onode;
+}
+
+void sifMakeTargetNode(SNode **pNode, int16_t dataBlockId, int16_t slotId, SNode *snode) {
+  SNode *      node = (SNode *)nodesMakeNode(QUERY_NODE_TARGET);
+  STargetNode *onode = (STargetNode *)node;
+  onode->pExpr = snode;
+  onode->dataBlockId = dataBlockId;
+  onode->slotId = slotId;
+
+  *pNode = (SNode *)onode;
+}
+
+}  // namespace
+
+#if 1
+TEST(testCase, index_filter) {
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_LOWER_THAN, TSDB_DATA_TYPE_INT, pLeft, pRight);
+    SArray *result = taosArrayInit(4, sizeof(uint64_t));
+    doFilterTag(opNode, result);
+    EXPECT_EQ(1, taosArrayGetSize(result));
+    taosArrayDestroy(result);
+    nodesDestroyNode(res);
+  }
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_LOWER_THAN, TSDB_DATA_TYPE_DOUBLE, pLeft, pRight);
+
+    SArray *result = taosArrayInit(4, sizeof(uint64_t));
+    doFilterTag(opNode, result);
+    EXPECT_EQ(1, taosArrayGetSize(result));
+
+    taosArrayDestroy(result);
+    nodesDestroyNode(res);
+  }
+}
+
+TEST(testCase, index_filter_varify) {
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_LOWER_THAN, TSDB_DATA_TYPE_INT, pLeft, pRight);
+    nodesDestroyNode(res);
+
+    SIdxFltStatus st = idxGetFltStatus(opNode);
+    EXPECT_EQ(st, SFLT_ACCURATE_INDEX);
+  }
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_LOWER_THAN, TSDB_DATA_TYPE_DOUBLE, pLeft, pRight);
+
+    SIdxFltStatus st = idxGetFltStatus(opNode);
+    EXPECT_EQ(st, SFLT_COARSE_INDEX);
+    nodesDestroyNode(res);
+  }
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_GREATER_THAN, TSDB_DATA_TYPE_INT, pLeft, pRight);
+    nodesDestroyNode(res);
+
+    SIdxFltStatus st = idxGetFltStatus(opNode);
+    EXPECT_EQ(st, SFLT_ACCURATE_INDEX);
+  }
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_GREATER_THAN, TSDB_DATA_TYPE_DOUBLE, pLeft, pRight);
+
+    SIdxFltStatus st = idxGetFltStatus(opNode);
+    EXPECT_EQ(st, SFLT_COARSE_INDEX);
+    nodesDestroyNode(res);
+  }
+}
+
+#endif
+
+#pragma GCC diagnostic pop
diff --git a/source/libs/sync/src/syncRaftLog.c b/source/libs/sync/src/syncRaftLog.c
index 3ee952fcdf..8aeb9c4856 100644
--- a/source/libs/sync/src/syncRaftLog.c
+++ b/source/libs/sync/src/syncRaftLog.c
@@ -62,7 +62,7 @@ int32_t logStoreAppendEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry) {
     const char *errStr = tstrerror(err);
     int32_t linuxErr = errno;
     const char *linuxErrMsg = strerror(errno);
-    sError("walWriteWithSyncInfo error, err:%d, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, errStr, linuxErr, linuxErrMsg);
+    sError("walWriteWithSyncInfo error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr, linuxErrMsg);
     ASSERT(0);
   }    
   //assert(code == 0);
@@ -83,7 +83,7 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
       const char *errStr = tstrerror(err);
       int32_t linuxErr = errno;
       const char *linuxErrMsg = strerror(errno);
-      sError("walReadWithHandle error, err:%d, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, errStr, linuxErr, linuxErrMsg);
+      sError("walReadWithHandle error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr, linuxErrMsg);
       ASSERT(0);
     }    
     //assert(walReadWithHandle(pWalHandle, index) == 0);
@@ -119,7 +119,7 @@ int32_t logStoreTruncate(SSyncLogStore* pLogStore, SyncIndex fromIndex) {
     const char *errStr = tstrerror(err);
     int32_t linuxErr = errno;
     const char *linuxErrMsg = strerror(errno);
-    sError("walRollback error, err:%d, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, errStr, linuxErr, linuxErrMsg);
+    sError("walRollback error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr, linuxErrMsg);
     ASSERT(0);
   } 
   return 0;  // to avoid compiler error
@@ -152,7 +152,7 @@ int32_t logStoreUpdateCommitIndex(SSyncLogStore* pLogStore, SyncIndex index) {
     const char *errStr = tstrerror(err);
     int32_t linuxErr = errno;
     const char *linuxErrMsg = strerror(errno);
-    sError("walCommit error, err:%d, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, errStr, linuxErr, linuxErrMsg);
+    sError("walCommit error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr, linuxErrMsg);
     ASSERT(0);
   } 
   return 0;  // to avoid compiler error