diff --git a/source/dnode/mnode/impl/test/func/func.cpp b/source/dnode/mnode/impl/test/func/func.cpp
index ee60556639..0fc903f5db 100644
--- a/source/dnode/mnode/impl/test/func/func.cpp
+++ b/source/dnode/mnode/impl/test/func/func.cpp
@@ -169,7 +169,8 @@ TEST_F(MndTestFunc, 03_Retrieve_Func) {
     SRetrieveFuncReq retrieveReq = {0};
     retrieveReq.numOfFuncs = 1;
     retrieveReq.pFuncNames = taosArrayInit(1, TSDB_FUNC_NAME_LEN);
-    taosArrayPush(retrieveReq.pFuncNames, "f1");
+    char name[TSDB_FUNC_NAME_LEN] =  "f1";
+    taosArrayPush(retrieveReq.pFuncNames, name);
 
     int32_t contLen = tSerializeSRetrieveFuncReq(NULL, 0, &retrieveReq);
     void*   pReq = rpcMallocCont(contLen);
@@ -220,7 +221,8 @@ TEST_F(MndTestFunc, 03_Retrieve_Func) {
     retrieveReq.numOfFuncs = TSDB_FUNC_MAX_RETRIEVE + 1;
     retrieveReq.pFuncNames = taosArrayInit(TSDB_FUNC_MAX_RETRIEVE + 1, TSDB_FUNC_NAME_LEN);
     for (int32_t i = 0; i < TSDB_FUNC_MAX_RETRIEVE + 1; ++i) {
-      taosArrayPush(retrieveReq.pFuncNames, "1");
+      char name[TSDB_FUNC_NAME_LEN] =  "1";
+      taosArrayPush(retrieveReq.pFuncNames, name);
     }
 
     int32_t contLen = tSerializeSRetrieveFuncReq(NULL, 0, &retrieveReq);
@@ -237,7 +239,8 @@ TEST_F(MndTestFunc, 03_Retrieve_Func) {
     SRetrieveFuncReq retrieveReq = {0};
     retrieveReq.numOfFuncs = 1;
     retrieveReq.pFuncNames = taosArrayInit(1, TSDB_FUNC_NAME_LEN);
-    taosArrayPush(retrieveReq.pFuncNames, "f2");
+    char name[TSDB_FUNC_NAME_LEN] =  "f2";
+    taosArrayPush(retrieveReq.pFuncNames, name);
 
     int32_t contLen = tSerializeSRetrieveFuncReq(NULL, 0, &retrieveReq);
     void*   pReq = rpcMallocCont(contLen);
@@ -279,7 +282,8 @@ TEST_F(MndTestFunc, 03_Retrieve_Func) {
     SRetrieveFuncReq retrieveReq = {0};
     retrieveReq.numOfFuncs = 1;
     retrieveReq.pFuncNames = taosArrayInit(1, TSDB_FUNC_NAME_LEN);
-    taosArrayPush(retrieveReq.pFuncNames, "f2");
+    char name[TSDB_FUNC_NAME_LEN] =  "f2";
+    taosArrayPush(retrieveReq.pFuncNames, name);
 
     int32_t contLen = tSerializeSRetrieveFuncReq(NULL, 0, &retrieveReq);
     void*   pReq = rpcMallocCont(contLen);
@@ -316,8 +320,10 @@ TEST_F(MndTestFunc, 03_Retrieve_Func) {
     SRetrieveFuncReq retrieveReq = {0};
     retrieveReq.numOfFuncs = 2;
     retrieveReq.pFuncNames = taosArrayInit(1, TSDB_FUNC_NAME_LEN);
-    taosArrayPush(retrieveReq.pFuncNames, "f2");
-    taosArrayPush(retrieveReq.pFuncNames, "f1");
+    char name1[TSDB_FUNC_NAME_LEN] =  "f2";
+    taosArrayPush(retrieveReq.pFuncNames, name1);
+    char name2[TSDB_FUNC_NAME_LEN] =  "f1";
+    taosArrayPush(retrieveReq.pFuncNames, name2);
 
     int32_t contLen = tSerializeSRetrieveFuncReq(NULL, 0, &retrieveReq);
     void*   pReq = rpcMallocCont(contLen);
@@ -367,8 +373,10 @@ TEST_F(MndTestFunc, 03_Retrieve_Func) {
     SRetrieveFuncReq retrieveReq = {0};
     retrieveReq.numOfFuncs = 2;
     retrieveReq.pFuncNames = taosArrayInit(1, TSDB_FUNC_NAME_LEN);
-    taosArrayPush(retrieveReq.pFuncNames, "f2");
-    taosArrayPush(retrieveReq.pFuncNames, "f3");
+    char name1[TSDB_FUNC_NAME_LEN] =  "f2";
+    taosArrayPush(retrieveReq.pFuncNames, name1);
+    char name2[TSDB_FUNC_NAME_LEN] =  "f3";
+    taosArrayPush(retrieveReq.pFuncNames, name2);
 
     int32_t contLen = tSerializeSRetrieveFuncReq(NULL, 0, &retrieveReq);
     void*   pReq = rpcMallocCont(contLen);
@@ -483,7 +491,8 @@ TEST_F(MndTestFunc, 05_Actual_code) {
     SRetrieveFuncReq retrieveReq = {0};
     retrieveReq.numOfFuncs = 1;
     retrieveReq.pFuncNames = taosArrayInit(1, TSDB_FUNC_NAME_LEN);
-    taosArrayPush(retrieveReq.pFuncNames, "udf1");
+    char name[TSDB_FUNC_NAME_LEN] =  "udf1";
+    taosArrayPush(retrieveReq.pFuncNames, name);
 
     int32_t contLen = tSerializeSRetrieveFuncReq(NULL, 0, &retrieveReq);
     void*   pReq = rpcMallocCont(contLen);