diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0f4b22d63a5e49c0354f1c72ecf82d28333b1a0..163789a1e4458b0c8541a674d70f87837227ca6a 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -163,7 +163,7 @@ IF (NOT DEFINED TD_CLUSTER)
     SET(RELEASE_FLAGS "-O0")
     IF (NOT TD_ARM)
       IF (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
-        SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+        SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -g -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
       ELSE ()
         SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g -malign-stringops -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
       ENDIF ()
@@ -207,7 +207,11 @@ IF (NOT DEFINED TD_CLUSTER)
     ADD_DEFINITIONS(-DPTW32_BUILD)
     ADD_DEFINITIONS(-D_MBCS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
   ELSEIF (TD_DARWIN_64)
-    SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+    IF (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
+      SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -g -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+    ELSE ()
+      SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g -malign-stringops -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+    ENDIF ()
     SET(DEBUG_FLAGS "-O0 -DDEBUG")
     SET(RELEASE_FLAGS "-O0")
     ADD_DEFINITIONS(-DDARWIN)
diff --git a/README.md b/README.md
index d5fecba232074ad5563ac5018e0affce58cbe49b..8d60a892e0d89ae1a3a39644cd1633b19598d66e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,3 @@
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/21a1f6997f3449d08b01a0514e3dc8ee)](https://app.codacy.com/manual/sangshuduo/TDengine?utm_source=github.com&utm_medium=referral&utm_content=sangshuduo/TDengine&utm_campaign=Badge_Grade_Dashboard)
 [![TDengine](TDenginelogo.png)](https://www.taosdata.com)
 
 # What is TDengine？
diff --git a/documentation/webdocs/markdowndocs/Connector.md b/documentation/webdocs/markdowndocs/Connector.md
index a0433d1f09d7c5f2ec1205f89d2efe638703dc7d..614b52e0a2e219fa2c3297969866da772a29d337 100644
--- a/documentation/webdocs/markdowndocs/Connector.md
+++ b/documentation/webdocs/markdowndocs/Connector.md
@@ -745,7 +745,7 @@ TDengine also provides a Go client package named _taosSql_ for users to access T
 ```Go
 import (
     "database/sql"
-    _ "taosSql"
+    _ "github.com/taosdata/driver-go/taosSql"
 )
 ```
 
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index c4a8440ef60d14bb335a94d5dd8ac7830016ac42..d2091e45acff35a0e14841021fe1f673479a0d6d 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -157,6 +157,7 @@ void tscProcessActivityTimer(void *handle, void *tmrId) {
       return;
     }
 
+    pSql->cmd.command = TSDB_SQL_HB;
     pSql->param = pObj;
     pSql->pTscObj = pObj;
     pSql->signature = pSql;
diff --git a/src/modules/http/src/gcJson.c b/src/modules/http/src/gcJson.c
index 8f596337146a3937df72287f332917b3bffa21ac..51f7f18345c42b98045c00e631d536193004b613 100644
--- a/src/modules/http/src/gcJson.c
+++ b/src/modules/http/src/gcJson.c
@@ -126,10 +126,10 @@ bool gcBuildQueryJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result,
 
     // for group by
     if (groupFields != -1) {
-      char target[HTTP_GC_TARGET_SIZE];
+      char target[HTTP_GC_TARGET_SIZE] = {0};
       int len;
-      len = snprintf(target,HTTP_GC_TARGET_SIZE,"%s{",aliasBuffer);
-      for (int i = dataFields + 1; i<num_fields; i++){
+      len = snprintf(target, HTTP_GC_TARGET_SIZE, "%s{", aliasBuffer);
+      for (int i = dataFields + 1; i < num_fields; i++) {
           switch (fields[i].type) {
           case TSDB_DATA_TYPE_BOOL:
           case TSDB_DATA_TYPE_TINYINT:
@@ -152,7 +152,9 @@ bool gcBuildQueryJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result,
             break;
           case TSDB_DATA_TYPE_BINARY:
           case TSDB_DATA_TYPE_NCHAR:
-            len += snprintf(target + len, HTTP_GC_TARGET_SIZE - len, "%s:%s", fields[i].name, (char *)row[i]);
+            len += snprintf(target + len, HTTP_GC_TARGET_SIZE - len, "%s:", fields[i].name);
+            memcpy(target + len, (char *) row[i], fields[i].bytes);
+            len = strlen(target);
             break;
           default:
             len += snprintf(target + len, HTTP_GC_TARGET_SIZE - len, "%s:%s", fields[i].name, "-");
diff --git a/src/system/detail/src/vnodeCommit.c b/src/system/detail/src/vnodeCommit.c
index fa2124ac55456efba55a141db43c5f437e348299..23bedfd12024802979c76a15c080eb41938354f0 100644
--- a/src/system/detail/src/vnodeCommit.c
+++ b/src/system/detail/src/vnodeCommit.c
@@ -97,7 +97,7 @@ int vnodeRenewCommitLog(int vnode) {
 
 void vnodeRemoveCommitLog(int vnode) { remove(vnodeList[vnode].logOFn); }
 
-size_t vnodeRestoreDataFromLog(int vnode, char *fileName, uint64_t *firstV) {
+int32_t vnodeRestoreDataFromLog(int vnode, char *fileName, uint64_t *firstV) {
   int    fd, ret;
   char * cont = NULL;
   size_t totalLen = 0;
@@ -204,7 +204,7 @@ _error:
 }
 
 int vnodeInitCommit(int vnode) {
-  size_t     size = 0;
+  int32_t    size = 0;
   uint64_t   firstV = 0;
   SVnodeObj *pVnode = vnodeList + vnode;
 
diff --git a/src/system/detail/src/vnodeShell.c b/src/system/detail/src/vnodeShell.c
index 971622eaeb912b6987ae944c083e0ec9a251d955..e295c1da6079fe84caae9809e94b45ea9e033d9a 100644
--- a/src/system/detail/src/vnodeShell.c
+++ b/src/system/detail/src/vnodeShell.c
@@ -456,6 +456,9 @@ void vnodeExecuteRetrieveReq(SSchedMsg *pSched) {
       taosSendSimpleRsp(pObj->thandle, TSDB_MSG_TYPE_RETRIEVE_RSP, TSDB_CODE_SERV_OUT_OF_MEMORY);
       goto _exit;
     }
+  } else {
+    taosSendSimpleRsp(pObj->thandle, TSDB_MSG_TYPE_RETRIEVE_RSP, code);
+    goto _exit;
   }
 
   pMsg = pStart;
diff --git a/src/system/lite/src/mgmtDnodeInt.spec.c b/src/system/lite/src/mgmtDnodeInt.spec.c
index 734fa630c5303faddb510093c20de21aafc521b9..cc3351768f5299015d7786dc12981422e8f91003 100644
--- a/src/system/lite/src/mgmtDnodeInt.spec.c
+++ b/src/system/lite/src/mgmtDnodeInt.spec.c
@@ -67,6 +67,7 @@ int taosSendMsgToDnode(SDnodeObj *pObj, char *msg, int msgLen) {
    * Lite version has no message header, so minus one
    */
   SSchedMsg schedMsg;
+  schedMsg.tfp = NULL;
   schedMsg.fp = vnodeProcessMsgFromMgmtSpec;
   schedMsg.msg = msg - 1;
   schedMsg.ahandle = NULL;
diff --git a/tests/examples/go/src/taosapp/taosapp.go b/tests/examples/go/src/taosapp/taosapp.go
index 5c7b92f6fbc22d8f5a784409b797891a19829417..f35c902a7a5899af4cc61e6b0428d73c777093ef 100644
--- a/tests/examples/go/src/taosapp/taosapp.go
+++ b/tests/examples/go/src/taosapp/taosapp.go
@@ -19,7 +19,7 @@ import (
     "time"
     "log"
     "fmt"
-	_ "taosSql"
+	_ "github.com/taosdata/driver-go/taosSql"
 )
 
 func main() {