diff --git a/source/common/src/cos.c b/source/common/src/cos.c
index 7fa390d3bb..8312d02bff 100644
--- a/source/common/src/cos.c
+++ b/source/common/src/cos.c
@@ -955,7 +955,11 @@ static int32_t s3InitEpIndexArray(SArray **pIndexArray) {
   }
 
   for (int8_t i = 0; i < tsS3EpNum; ++i) {
-    taosArraySet(indexArray, i, &i);
+    if (taosArrayPush(indexArray, &i) == NULL) {
+      taosArrayDestroy(indexArray);
+      uError("%s: %s", __func__, "out of memory");
+      TAOS_RETURN(TSDB_CODE_OUT_OF_MEMORY);
+    }
   }
 
   if (tsS3EpNum > 1) {
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index e3048bcecf..4e32288123 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -376,6 +376,7 @@ static int32_t taosSplitS3Cfg(SConfig *pCfg, const char *name, char gVarible[TSD
   *pNum = num;
 
 _exit:
+  taosMemoryFreeClear(slices);
   taosMemoryFreeClear(strDup);
   TAOS_RETURN(code);
 }