diff --git a/source/dnode/mnode/impl/src/mndDb.c b/source/dnode/mnode/impl/src/mndDb.c
index 02e13e9951..e6a7a9cf6b 100644
--- a/source/dnode/mnode/impl/src/mndDb.c
+++ b/source/dnode/mnode/impl/src/mndDb.c
@@ -2570,13 +2570,13 @@ static void mndDumpDbInfoData(SMnode *pMnode, SSDataBlock *pBlock, SDbObj *pDb,
 
     len = formatDurationOrKeep(durationStr, sizeof(durationStr), pDb->cfg.compactStartTime);
     formatDurationOrKeep(durationVstr, sizeof(durationVstr), pDb->cfg.compactEndTime);
-    snprintf(durationStr + len, sizeof(durationStr) - len, ",%s", durationVstr);
+    (void)snprintf(durationStr + len, sizeof(durationStr) - len, ",%s", durationVstr);
     STR_WITH_MAXSIZE_TO_VARSTR(durationVstr, durationStr, sizeof(durationVstr));
     if ((pColInfo = taosArrayGet(pBlock->pDataBlock, cols++))) {
       TAOS_CHECK_GOTO(colDataSetVal(pColInfo, rows, (const char *)durationVstr, false), &lino, _OVER);
     }
 
-    snprintf(durationStr, sizeof(durationStr), "%dh", pDb->cfg.compactTimeOffset);
+    (void)snprintf(durationStr, sizeof(durationStr), "%dh", pDb->cfg.compactTimeOffset);
     STR_WITH_MAXSIZE_TO_VARSTR(durationVstr, durationStr, sizeof(durationVstr));
     if ((pColInfo = taosArrayGet(pBlock->pDataBlock, cols++))) {
       TAOS_CHECK_GOTO(colDataSetVal(pColInfo, rows, (const char *)durationVstr, false), &lino, _OVER);
diff --git a/tests/system-test/1-insert/alter_database.py b/tests/system-test/1-insert/alter_database.py
index 2bbfff55a4..c20ace6ff4 100644
--- a/tests/system-test/1-insert/alter_database.py
+++ b/tests/system-test/1-insert/alter_database.py
@@ -115,10 +115,10 @@ class TDTestCase:
         
     def run(self):
         
-        # self.alter_buffer()
-        # self.alter_pages()
-        # self.alter_encrypt_alrogithm()
-        # self.alter_same_options()
+        self.alter_buffer()
+        self.alter_pages()
+        self.alter_encrypt_alrogithm()
+        self.alter_same_options()
         self.alter_compact()
 
     def stop(self):