diff --git a/packaging/deb/makedeb.sh b/packaging/deb/makedeb.sh
index a593c7ca16..28be037e6c 100755
--- a/packaging/deb/makedeb.sh
+++ b/packaging/deb/makedeb.sh
@@ -58,7 +58,12 @@ cp ${compile_dir}/build/lib/${libfile}              ${pkg_dir}${install_home_pat
 cp ${compile_dir}/../src/inc/taos.h                 ${pkg_dir}${install_home_path}/include
 cp ${compile_dir}/../src/inc/taoserror.h            ${pkg_dir}${install_home_path}/include
 cp -r ${top_dir}/tests/examples/*                   ${pkg_dir}${install_home_path}/examples
-cp -r ${top_dir}/src/connector/grafanaplugin/dist   ${pkg_dir}${install_home_path}/connector/grafanaplugin
+if [ -d "${top_dir}/src/connector/grafanaplugin/dist" ]; then
+  cp -r ${top_dir}/src/connector/grafanaplugin/dist   ${pkg_dir}${install_home_path}/connector/grafanaplugin
+else
+  echo "grafanaplugin bundled directory not found!"
+  exit 1
+fi
 cp -r ${top_dir}/src/connector/python               ${pkg_dir}${install_home_path}/connector
 cp -r ${top_dir}/src/connector/go                   ${pkg_dir}${install_home_path}/connector
 cp -r ${top_dir}/src/connector/nodejs               ${pkg_dir}${install_home_path}/connector
diff --git a/packaging/rpm/tdengine.spec b/packaging/rpm/tdengine.spec
index 73efe2e1ab..9910e20bfe 100644
--- a/packaging/rpm/tdengine.spec
+++ b/packaging/rpm/tdengine.spec
@@ -66,7 +66,12 @@ cp %{_compiledir}/build/bin/taosdump                %{buildroot}%{homepath}/bin
 cp %{_compiledir}/build/lib/${libfile}              %{buildroot}%{homepath}/driver
 cp %{_compiledir}/../src/inc/taos.h                 %{buildroot}%{homepath}/include
 cp %{_compiledir}/../src/inc/taoserror.h            %{buildroot}%{homepath}/include
-cp -r %{_compiledir}/../src/connector/grafanaplugin/dist %{buildroot}%{homepath}/connector/grafanaplugin
+if [ -d %{_compiledir}/../src/connector/grafanaplugin/dist ]; then
+    cp -r %{_compiledir}/../src/connector/grafanaplugin/dist %{buildroot}%{homepath}/connector/grafanaplugin
+else
+    echo grafanaplugin bundled directory not found!
+    exit 1
+fi
 cp -r %{_compiledir}/../src/connector/python        %{buildroot}%{homepath}/connector
 cp -r %{_compiledir}/../src/connector/go            %{buildroot}%{homepath}/connector
 cp -r %{_compiledir}/../src/connector/nodejs        %{buildroot}%{homepath}/connector
diff --git a/packaging/tools/make_install.sh b/packaging/tools/make_install.sh
index 5f1739d6e0..d6ace0a063 100755
--- a/packaging/tools/make_install.sh
+++ b/packaging/tools/make_install.sh
@@ -243,9 +243,17 @@ function install_data() {
 }
 
 function install_connector() {
-    ${csudo} cp -rf ${source_dir}/src/connector/grafanaplugin/dist ${install_main_dir}/connector/grafanaplugin
+    if [ -d "${source_dir}/src/connector/grafanaplugin/dist" ]; then
+        ${csudo} cp -rf ${source_dir}/src/connector/grafanaplugin/dist ${install_main_dir}/connector/grafanaplugin
+    else
+        echo "WARNING: grafanaplugin bundled dir not found, please check if want to use it!"
+    fi
+    if find ${source_dir}/src/connector/go -mindepth 1 -maxdepth 1 | read; then
+        ${csudo} cp -r ${source_dir}/src/connector/go ${install_main_dir}/connector
+    else
+        echo "WARNING: go connector not found, please check if want to use it!"
+    fi
     ${csudo} cp -rf ${source_dir}/src/connector/python ${install_main_dir}/connector
-    ${csudo} cp -rf ${source_dir}/src/connector/go ${install_main_dir}/connector
         
     ${csudo} cp ${binary_dir}/build/lib/*.jar ${install_main_dir}/connector &> /dev/null && ${csudo} chmod 777 ${install_main_dir}/connector/*.jar || echo &> /dev/null 
 }
diff --git a/packaging/tools/makeclient.sh b/packaging/tools/makeclient.sh
index 7418bcc312..d0eeffc86a 100755
--- a/packaging/tools/makeclient.sh
+++ b/packaging/tools/makeclient.sh
@@ -117,9 +117,17 @@ if [[ "$pagMode" != "lite" ]] && [[ "$cpuType" != "aarch32" ]]; then
   if [ "$osType" != "Darwin" ]; then
     cp ${build_dir}/lib/*.jar      ${install_dir}/connector ||:
   fi
-  cp -r ${connector_dir}/grafanaplugin/dist ${install_dir}/connector/grafanaplugin
-  cp -r ${connector_dir}/python             ${install_dir}/connector/
-  cp -r ${connector_dir}/go                 ${install_dir}/connector
+  if [ -d "${connector_dir}/grafanaplugin/dist" ]; then
+    cp -r ${connector_dir}/grafanaplugin/dist ${install_dir}/connector/grafanaplugin
+  else
+    echo "WARNING: grafanaplugin bundled dir not found, please check if want to use it!"
+  fi
+  if find ${connector_dir}/go -mindepth 1 -maxdepth 1 | read; then
+    cp -r ${connector_dir}/go ${install_dir}/connector
+  else
+    echo "WARNING: go connector not found, please check if want to use it!"
+  fi
+  cp -r ${connector_dir}/python             ${install_dir}/connector
   cp -r ${connector_dir}/nodejs             ${install_dir}/connector
 fi
 # Copy release note
diff --git a/packaging/tools/makeclient_power.sh b/packaging/tools/makeclient_power.sh
index 911cc574a5..8241319e4f 100755
--- a/packaging/tools/makeclient_power.sh
+++ b/packaging/tools/makeclient_power.sh
@@ -144,9 +144,17 @@ if [[ "$pagMode" != "lite" ]] && [[ "$cpuType" != "aarch32" ]]; then
   if [ "$osType" != "Darwin" ]; then
     cp ${build_dir}/lib/*.jar      ${install_dir}/connector ||:
   fi
-  cp -r ${connector_dir}/grafanaplugin/dist ${install_dir}/connector/grafanaplugin
-  cp -r ${connector_dir}/python  ${install_dir}/connector/
-  cp -r ${connector_dir}/go      ${install_dir}/connector 
+  if [ -d "${connector_dir}/grafanaplugin/dist" ]; then
+    cp -r ${connector_dir}/grafanaplugin/dist ${install_dir}/connector/grafanaplugin
+  else
+    echo "WARNING: grafanaplugin bunlded dir not found, please check if want to use it!"
+  fi
+  if find ${connector_dir}/go -mindepth 1 -maxdepth 1 | read; then
+    cp -r ${connector_dir}/go ${install_dir}/connector
+  else
+    echo "WARNING: go connector not found, please check if want to use it!"
+  fi
+  cp -r ${connector_dir}/python  ${install_dir}/connector
   
   sed -i '/password/ {s/taosdata/powerdb/g}'  ${install_dir}/connector/python/taos/cinterface.py
   
diff --git a/packaging/tools/makepkg.sh b/packaging/tools/makepkg.sh
index 343e2a4224..d114d5eef8 100755
--- a/packaging/tools/makepkg.sh
+++ b/packaging/tools/makepkg.sh
@@ -131,9 +131,17 @@ connector_dir="${code_dir}/connector"
 mkdir -p ${install_dir}/connector
 if [[ "$pagMode" != "lite" ]] && [[ "$cpuType" != "aarch32" ]]; then
   cp ${build_dir}/lib/*.jar            ${install_dir}/connector ||:
-  cp -r ${connector_dir}/grafanaplugin/dist ${install_dir}/connector/grafanaplugin
-  cp -r ${connector_dir}/python        ${install_dir}/connector/
-  cp -r ${connector_dir}/go            ${install_dir}/connector
+  if [ -d "${connector_dir}/grafanaplugin/dist" ]; then
+    cp -r ${connector_dir}/grafanaplugin/dist ${install_dir}/connector/grafanaplugin
+  else
+    echo "WARNING: grafanaplugin bundled dir not found, please check if you want to use it!"
+  fi
+  if find ${connector_dir}/go -mindepth 1 -maxdepth 1 | read; then
+    cp -r ${connector_dir}/go ${install_dir}/connector
+  else
+    echo "WARNING: go connector not found, please check if want to use it!"
+  fi
+  cp -r ${connector_dir}/python        ${install_dir}/connector
   cp -r ${connector_dir}/nodejs        ${install_dir}/connector
 fi
 # Copy release note
diff --git a/packaging/tools/makepkg_power.sh b/packaging/tools/makepkg_power.sh
index 8ea7f363c8..633a135c14 100755
--- a/packaging/tools/makepkg_power.sh
+++ b/packaging/tools/makepkg_power.sh
@@ -166,9 +166,18 @@ connector_dir="${code_dir}/connector"
 mkdir -p ${install_dir}/connector
 if [[ "$pagMode" != "lite" ]] && [[ "$cpuType" != "aarch32" ]]; then
   cp ${build_dir}/lib/*.jar      ${install_dir}/connector ||:
-  cp -r ${connector_dir}/grafanaplugin/dist ${install_dir}/connector/grafanaplugin
+
+  if [ -d "${connector_dir}/grafanaplugin/dist" ]; then
+    cp -r ${connector_dir}/grafanaplugin/dist ${install_dir}/connector/grafanaplugin
+  else
+    echo "WARNING: grafanaplugin bundled dir not found, please check if want to use it!"
+  fi
+  if find ${connector_dir}/go -mindepth 1 -maxdepth 1 | read; then
+    cp -r ${connector_dir}/go ${install_dir}/connector
+  else
+    echo "WARNING: go connector not found, please check if want to use it!"
+  fi
   cp -r ${connector_dir}/python  ${install_dir}/connector/
-  cp -r ${connector_dir}/go      ${install_dir}/connector
   
   sed -i '/password/ {s/taosdata/powerdb/g}'  ${install_dir}/connector/python/taos/cinterface.py
   
diff --git a/src/kit/taosdemo/subscribe.json b/src/kit/taosdemo/subscribe.json
index fd33a2e2e2..18846c8116 100644
--- a/src/kit/taosdemo/subscribe.json
+++ b/src/kit/taosdemo/subscribe.json
@@ -5,13 +5,33 @@
   "port": 6030,
   "user": "root",
   "password": "taosdata",
-  "databases": "dbx",
-  "specified_table_query":
-    {"concurrent":1, "mode":"sync", "interval":5000, "restart":"yes", "keepProgress":"yes",
-     "sqls": [{"sql": "select avg(col1) from stb01 where col1 > 1;", "result": "./subscribe_res0.txt"}]
-    },
-  "super_table_query": 
-    {"stblname": "stb", "threads":1, "mode":"sync", "interval":10000, "restart":"yes", "keepProgress":"yes",
-     "sqls": [{"sql": "select col1 from xxxx where col1 > 10;", "result": "./subscribe_res1.txt"}]
-    }
+  "databases": "test",
+  "specified_table_query": {
+    "concurrent": 1,
+    "mode": "sync",
+    "interval": 1000,
+    "restart": "yes",
+    "keepProgress": "yes",
+    "resubAfterConsume": 10,
+    "sqls": [
+      {
+        "sql": "select avg(col1) from meters where col1 > 1;",
+        "result": "./subscribe_res0.txt"
+      }
+    ]
+  },
+  "super_table_query": {
+    "stblname": "meters",
+    "threads": 1,
+    "mode": "sync",
+    "interval": 1000,
+    "restart": "yes",
+    "keepProgress": "yes",
+    "sqls": [
+      {
+        "sql": "select col1 from xxxx where col1 > 10;",
+        "result": "./subscribe_res1.txt"
+      }
+    ]
+  }
 }
diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index abdbb9a316..95fb2f7bd4 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -372,6 +372,7 @@ typedef struct SpecifiedQueryInfo_S {
   int          subscribeKeepProgress;
   char         sql[MAX_QUERY_SQL_COUNT][MAX_QUERY_SQL_LENGTH+1];
   char         result[MAX_QUERY_SQL_COUNT][MAX_FILE_NAME_LEN+1];
+  int          resubAfterConsume[MAX_QUERY_SQL_COUNT];
   TAOS_SUB*    tsub[MAX_QUERY_SQL_COUNT];
   uint64_t     totalQueried;
 } SpecifiedQueryInfo;
@@ -390,6 +391,7 @@ typedef struct SuperQueryInfo_S {
   uint64_t     sqlCount;
   char         sql[MAX_QUERY_SQL_COUNT][MAX_QUERY_SQL_LENGTH+1];
   char         result[MAX_QUERY_SQL_COUNT][MAX_FILE_NAME_LEN+1];
+  int          resubAfterConsume[MAX_QUERY_SQL_COUNT];
   TAOS_SUB*    tsub[MAX_QUERY_SQL_COUNT];
 
   char*        childTblName;
@@ -407,7 +409,7 @@ typedef struct SQueryMetaInfo_S {
   char         queryMode[MAX_TB_NAME_SIZE];  // taosc, rest
 
   SpecifiedQueryInfo  specifiedQueryInfo;
-  SuperQueryInfo    superQueryInfo;
+  SuperQueryInfo      superQueryInfo;
   uint64_t     totalQueried;
 } SQueryMetaInfo;
 
@@ -4287,6 +4289,18 @@ static bool getMetaFromQueryJsonFile(cJSON* root) {
         }
         tstrncpy(g_queryInfo.specifiedQueryInfo.sql[j], sqlStr->valuestring, MAX_QUERY_SQL_LENGTH);
 
+        cJSON* resubAfterConsume =
+            cJSON_GetObjectItem(specifiedQuery, "resubAfterConsume");
+        if (resubAfterConsume
+                && resubAfterConsume->type == cJSON_Number) {
+            g_queryInfo.specifiedQueryInfo.resubAfterConsume[j]
+                = resubAfterConsume->valueint;
+        } else if (!resubAfterConsume) {
+            //printf("failed to read json, subscribe interval no found\n");
+            //goto PARSE_OVER;
+            g_queryInfo.specifiedQueryInfo.resubAfterConsume[j] = 1;
+        }
+
         cJSON *result = cJSON_GetObjectItem(sql, "result");
         if (NULL != result && result->type == cJSON_String && result->valuestring != NULL) {
           tstrncpy(g_queryInfo.specifiedQueryInfo.result[j], result->valuestring, MAX_FILE_NAME_LEN);
@@ -4456,6 +4470,18 @@ static bool getMetaFromQueryJsonFile(cJSON* root) {
         tstrncpy(g_queryInfo.superQueryInfo.sql[j], sqlStr->valuestring,
             MAX_QUERY_SQL_LENGTH);
 
+        cJSON* superResubAfterConsume =
+            cJSON_GetObjectItem(sql, "resubAfterConsume");
+        if (superResubAfterConsume
+                && superResubAfterConsume->type == cJSON_Number) {
+            g_queryInfo.superQueryInfo.resubAfterConsume[j] =
+                superResubAfterConsume->valueint;
+        } else if (!superResubAfterConsume) {
+            //printf("failed to read json, subscribe interval no found\n");
+            //goto PARSE_OVER;
+            g_queryInfo.superQueryInfo.resubAfterConsume[j] = 1;
+        }
+
         cJSON *result = cJSON_GetObjectItem(sql, "result");
         if (result != NULL && result->type == cJSON_String
             && result->valuestring != NULL){
@@ -6546,17 +6572,18 @@ static void subscribe_callback(TAOS_SUB* tsub, TAOS_RES *res, void* param, int c
 }
 
 static TAOS_SUB* subscribeImpl(
-        TAOS *taos, char *sql, char* topic, char* resultFileName) {
+        TAOS *taos, char *sql, char* topic, bool restart,
+        char* resultFileName) {
   TAOS_SUB* tsub = NULL;
 
   if (ASYNC_MODE == g_queryInfo.specifiedQueryInfo.asyncMode) {
     tsub = taos_subscribe(taos,
-            g_queryInfo.specifiedQueryInfo.subscribeRestart,
+            restart,
             topic, sql, subscribe_callback, (void*)resultFileName,
             g_queryInfo.specifiedQueryInfo.subscribeInterval);
   } else {
     tsub = taos_subscribe(taos,
-            g_queryInfo.specifiedQueryInfo.subscribeRestart,
+            restart,
             topic, sql, NULL, NULL, 0);
   }
 
@@ -6610,6 +6637,7 @@ static void *superSubscribe(void *sarg) {
     return NULL;
   }
 
+  uint64_t subSeq;
   char topic[32] = {0};
   for (uint64_t i = pThreadInfo->start_table_from;
           i <= pThreadInfo->end_table_to; i++) {
@@ -6623,10 +6651,12 @@ static void *superSubscribe(void *sarg) {
                 g_queryInfo.superQueryInfo.result[j], pThreadInfo->threadID);
       }
 
-      uint64_t subSeq = i * g_queryInfo.superQueryInfo.sqlCount + j;
+      subSeq = i * g_queryInfo.superQueryInfo.sqlCount + j;
       debugPrint("%s() LN%d, subSeq=%"PRIu64" subSqlstr: %s\n",
               __func__, __LINE__, subSeq, subSqlstr);
-      tsub[subSeq] = subscribeImpl(pThreadInfo->taos, subSqlstr, topic, tmpFile);
+      tsub[subSeq] = subscribeImpl(pThreadInfo->taos, subSqlstr, topic,
+             g_queryInfo.superQueryInfo.subscribeRestart,
+             tmpFile);
       if (NULL == tsub[subSeq]) {
         taos_close(pThreadInfo->taos);
         return NULL;
@@ -6634,6 +6664,10 @@ static void *superSubscribe(void *sarg) {
     }
   }
 
+  int consumed[MAX_QUERY_SQL_COUNT];
+  for (int i = 0; i < MAX_QUERY_SQL_COUNT; i++)
+      consumed[i] = 0;
+
   // start loop to consume result
   TAOS_RES* res = NULL;
   while(1) {
@@ -6643,7 +6677,7 @@ static void *superSubscribe(void *sarg) {
             continue;
         }
 
-        uint64_t subSeq = i * g_queryInfo.superQueryInfo.sqlCount + j;
+        subSeq = i * g_queryInfo.superQueryInfo.sqlCount + j;
         taosMsleep(100); // ms
         res = taos_consume(tsub[subSeq]);
         if (res) {
@@ -6654,6 +6688,28 @@ static void *superSubscribe(void *sarg) {
                   pThreadInfo->threadID);
                 appendResultToFile(res, tmpFile);
             }
+            consumed[j] ++;
+
+            if ((g_queryInfo.superQueryInfo.subscribeKeepProgress)
+                && (consumed[j] >=
+                    g_queryInfo.superQueryInfo.resubAfterConsume[j])) {
+                printf("keepProgress:%d, resub super table query: %d\n",
+                    g_queryInfo.superQueryInfo.subscribeKeepProgress, j);
+                taos_unsubscribe(tsub[subSeq],
+                    g_queryInfo.superQueryInfo.subscribeKeepProgress);
+                consumed[j]= 0;
+                subSeq = i * g_queryInfo.superQueryInfo.sqlCount + j;
+                debugPrint("%s() LN%d, subSeq=%"PRIu64" subSqlstr: %s\n",
+                    __func__, __LINE__, subSeq, subSqlstr);
+                tsub[subSeq] = subscribeImpl(
+                        pThreadInfo->taos, subSqlstr, topic,
+                    g_queryInfo.superQueryInfo.subscribeRestart,
+                    tmpFile);
+                if (NULL == tsub[subSeq]) {
+                    taos_close(pThreadInfo->taos);
+                    return NULL;
+                }
+            }
         }
       }
     }
@@ -6663,9 +6719,8 @@ static void *superSubscribe(void *sarg) {
   for (uint64_t i = pThreadInfo->start_table_from;
           i <= pThreadInfo->end_table_to; i++) {
     for (int j = 0; j < g_queryInfo.superQueryInfo.sqlCount; j++) {
-        uint64_t subSeq = i * g_queryInfo.superQueryInfo.sqlCount + j;
-        taos_unsubscribe(tsub[subSeq],
-                g_queryInfo.superQueryInfo.subscribeKeepProgress);
+        subSeq = i * g_queryInfo.superQueryInfo.sqlCount + j;
+        taos_unsubscribe(tsub[subSeq], 0);
     }
   }
 
@@ -6713,14 +6768,22 @@ static void *specifiedSubscribe(void *sarg) {
                 g_queryInfo.specifiedQueryInfo.result[i], pThreadInfo->threadID);
       }
       tsub[i] = subscribeImpl(pThreadInfo->taos,
-          g_queryInfo.specifiedQueryInfo.sql[i], topic, tmpFile);
+          g_queryInfo.specifiedQueryInfo.sql[i], topic,
+          g_queryInfo.specifiedQueryInfo.subscribeRestart,
+          tmpFile);
       if (NULL == tsub[i]) {
         taos_close(pThreadInfo->taos);
         return NULL;
       }
   }
+
   // start loop to consume result
   TAOS_RES* res = NULL;
+
+  int consumed[MAX_QUERY_SQL_COUNT];
+  for (int i = 0; i < MAX_QUERY_SQL_COUNT; i++)
+      consumed[i] = 0;
+
   while(1) {
     for (int i = 0; i < g_queryInfo.specifiedQueryInfo.sqlCount; i++) {
       if (ASYNC_MODE == g_queryInfo.specifiedQueryInfo.asyncMode) {
@@ -6736,14 +6799,32 @@ static void *specifiedSubscribe(void *sarg) {
                   g_queryInfo.specifiedQueryInfo.result[i], pThreadInfo->threadID);
           appendResultToFile(res, tmpFile);
         }
+        consumed[i] ++;
+
+        if ((g_queryInfo.specifiedQueryInfo.subscribeKeepProgress)
+                && (consumed[i] >=
+                    g_queryInfo.specifiedQueryInfo.resubAfterConsume[i])) {
+            printf("keepProgress:%d, resub specified query: %d\n",
+                    g_queryInfo.specifiedQueryInfo.subscribeKeepProgress, i);
+            consumed[i] = 0;
+            taos_unsubscribe(tsub[i],
+                g_queryInfo.specifiedQueryInfo.subscribeKeepProgress);
+            tsub[i] = subscribeImpl(pThreadInfo->taos,
+                g_queryInfo.specifiedQueryInfo.sql[i], topic,
+                g_queryInfo.specifiedQueryInfo.subscribeRestart,
+                tmpFile);
+            if (NULL == tsub[i]) {
+                taos_close(pThreadInfo->taos);
+                return NULL;
+            }
+        }
       }
     }
   }
   taos_free_result(res);
 
   for (int i = 0; i < g_queryInfo.specifiedQueryInfo.sqlCount; i++) {
-    taos_unsubscribe(tsub[i],
-        g_queryInfo.specifiedQueryInfo.subscribeKeepProgress);
+    taos_unsubscribe(tsub[i], 0);
   }
 
   taos_close(pThreadInfo->taos);