diff --git a/aw/cxx/distributed/distributed_agent.cpp b/aw/cxx/distributed/distributed_agent.cpp
index a8d5a5e38f80ddc568018331e582a06a1e651fd4..77be4b57c84c9ae328d165dcea39f7b0359e0623 100644
--- a/aw/cxx/distributed/distributed_agent.cpp
+++ b/aw/cxx/distributed/distributed_agent.cpp
@@ -147,7 +147,10 @@ int DistributedAgent::DoCmdServer(int serverSockFd)
     HiLog::Info(DistributedAgent::LABEL, "accept testcase runner IP:%s port:%d \n",
                 inet_ntoa(clientAddr.sin_addr), clientAddr.sin_port);
     while (mbStop_ != true) {
-        memset_s(buff, MAX_BUFF_LEN, 0, MAX_BUFF_LEN);
+        ret = memset_s(buff, sizeof(buff), 0, MAX_BUFF_LEN);
+        if (ret != EOK) {
+            return -1;
+        }
         // every cmd length less than MAX_BUFF_LEN bytes;
         int cmdLen = recv(clientSockFd_, buff, DST_COMMAND_HEAD_LEN, 0);
         if (static_cast<unsigned long>(cmdLen) <  DST_COMMAND_HEAD_LEN) {
@@ -190,7 +193,10 @@ int DistributedAgent::DoCmdServer(int serverSockFd)
                     }
                     pszEValue[eValueLen] = '\0';
                     int nresult = OnProcessCmd(pAlignmentCmd, cmdLen, pszEValue, eValueLen);
-                    (void)memset_s(returnValue, MAX_BUFF_LEN, 0, MAX_BUFF_LEN);
+                    ret = memset_s(returnValue, sizeof(returnValue), 0, MAX_BUFF_LEN);
+                    if (ret != EOK) {
+                        return -1;
+                    }
                     auto pclinereturn = reinterpret_cast<DistributedMsg *>(returnValue);
                     pclinereturn->no = pcline->no;
                     pclinereturn->cmdTestType = htons(DST_COMMAND_CALL);
@@ -206,7 +212,10 @@ int DistributedAgent::DoCmdServer(int serverSockFd)
                 }
                 case DST_COMMAND_MSG: {
                     int nresult = 0;
-                    (void)memset_s(returnValue, MAX_BUFF_LEN, 0, MAX_BUFF_LEN);
+                    ret = memset_s(returnValue, sizeof(returnValue), 0, MAX_BUFF_LEN);
+                    if (ret != EOK) {
+                        return -1;
+                    }
                     auto pclinereturn = reinterpret_cast<DistributedMsg *>(returnValue);
                     pclinereturn->no = pcline->no;
                     pclinereturn->cmdTestType = htons(DST_COMMAND_MSG);
@@ -246,7 +255,10 @@ void DistributedAgent::OnNotifyImf(DistributedMsg *pcline)
     char alignmentCmd[DistributedAgent::CMD_LENGTH];
     char szMsg[MAX_BUFF_LEN / DistributedAgent::HALF_NUM - DistributedAgent::CMD_LENGTH];
     int cmdNo = 0;
-    (void)memset_s(alignmentCmd, DistributedAgent::CMD_LENGTH, 0, DistributedAgent::CMD_LENGTH);
+    ret = memset_s(alignmentCmd, sizeof(alignmentCmd), 0, DistributedAgent::CMD_LENGTH);
+    if (ret != EOK) {
+        return;
+    }
     (void)memset_s(szMsg,
         MAX_BUFF_LEN / DistributedAgent::HALF_NUM - DistributedAgent::CMD_LENGTH, 0,
         MAX_BUFF_LEN / DistributedAgent::HALF_NUM - DistributedAgent::CMD_LENGTH);
@@ -259,7 +271,7 @@ void DistributedAgent::OnNotifyImf(DistributedMsg *pcline)
         HiLog::Error(DistributedAgent::LABEL, "error command.\n");
     }  else {
         errno_t ret = EOK;
-        ret = memcpy_s(alignmentCmd, DistributedAgent::CMD_LENGTH, pcline->alignmentCmd, cmdNo);
+        ret = memcpy_s(alignmentCmd, sizeof(alignmentCmd), pcline->alignmentCmd, cmdNo);
         if (ret != EOK) {
             return;
         }
@@ -311,7 +323,10 @@ int DistributedAgent::OnProcessCmd(const std::string &strCommand, int cmdLen,
     char szArgs[MAX_BUFF_LEN / DistributedAgent::HALF_NUM - DistributedAgent::CMD_LENGTH];
     int cmdNo = 0;
 
-    (void)memset_s(alignmentCmd, DistributedAgent::CMD_LENGTH, 0, DistributedAgent::CMD_LENGTH);
+    ret = memset_s(alignmentCmd, sizeof(alignmentCmd), 0, DistributedAgent::CMD_LENGTH);
+    if (ret != EOK) {
+        return -1;
+    }
     (void)memset_s(szArgs,
         MAX_BUFF_LEN / DistributedAgent::HALF_NUM - DistributedAgent::CMD_LENGTH, 0,
         MAX_BUFF_LEN / DistributedAgent::HALF_NUM - DistributedAgent::CMD_LENGTH);
@@ -327,7 +342,7 @@ int DistributedAgent::OnProcessCmd(const std::string &strCommand, int cmdLen,
     }
 
     errno_t ret = EOK;
-    ret = memcpy_s(alignmentCmd, DistributedAgent::CMD_LENGTH, strCommand.c_str(), cmdNo);
+    ret = memcpy_s(alignmentCmd, sizeof(alignmentCmd), strCommand.c_str(), cmdNo);
     if (ret != EOK) {
         return -1;
     }