diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index 305302b71a4716c8f5aed2dca0f2df7ac78d7c98..79cfbe2a37f2236d54d49a37150745c4d75016ec 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -361,7 +361,7 @@ int main(int argc, char *argv[]) {
   arguments.num_of_DPT = 100000;
   arguments.num_of_RPR = 1000;
   arguments.use_metric = true;
-  arguments.insert_only = true;
+  arguments.insert_only = false;
   // end change
 
   argp_parse(&argp, argc, argv, 0, 0, &arguments);
@@ -954,13 +954,13 @@ void *readMetric(void *sarg) {
 
     for (int i = 1; i <= m; i++) {
       if (i == 1) {
-        sprintf(tempS, "index = %d", i);
+        sprintf(tempS, "areaid = %d", i);
       } else {
-        sprintf(tempS, " or index = %d ", i);
+        sprintf(tempS, " or areaid = %d ", i);
       }
       strcat(condition, tempS);
 
-      sprintf(command, "select %s from m1 where %s", aggreFunc[j], condition);
+      sprintf(command, "select %s from meters where %s", aggreFunc[j], condition);
 
       printf("Where condition: %s\n", condition);
       fprintf(fp, "%s\n", command);
diff --git a/src/rpc/src/rpcMain.c b/src/rpc/src/rpcMain.c
index 2325d12d92dc4b862a1041ab8fc952a5a1ac9630..4790c22668d669d300994b59bef748d9bb80fbd7 100644
--- a/src/rpc/src/rpcMain.c
+++ b/src/rpc/src/rpcMain.c
@@ -446,7 +446,10 @@ void rpcSendResponse(const SRpcMsg *pRsp) {
   // set the idle timer to monitor the activity
   taosTmrReset(rpcProcessIdleTimer, pRpc->idleTime, pConn, pRpc->tmrCtrl, &pConn->pIdleTimer);
   rpcSendMsgToPeer(pConn, msg, msgLen);
-  pConn->secured = 1; // connection shall be secured
+
+  // if not set to secured, set it expcet NOT_READY case, since client wont treat it as secured
+  if (pConn->secured == 0 && pMsg->code != TSDB_CODE_RPC_NOT_READY)
+    pConn->secured = 1; // connection shall be secured
 
   if (pConn->pReqMsg) rpcFreeCont(pConn->pReqMsg);
   pConn->pReqMsg = NULL;
diff --git a/tests/examples/python/read_example.py b/tests/examples/python/read_example.py
index a96115dfb256aed446da05bb8a1e2fd46b8a8437..73c4b952148ff0700840049ab7cb3867d2c9eece 100644
--- a/tests/examples/python/read_example.py
+++ b/tests/examples/python/read_example.py
@@ -29,7 +29,7 @@ if __name__ == '__main__':
 
     # Create a database named db
     try:
-        c1.execute('create database db')
+        c1.execute('create database if not exists db ')
     except Exception as err:
         conn.close()
         raise(err)