diff --git a/src/client/src/tscAsync.c b/src/client/src/tscAsync.c
index 41e935441fd11428420efc98dc53616b7d2317dc..c693df1f3b31878f251a3a28a350f9d8a2ff9c5e 100644
--- a/src/client/src/tscAsync.c
+++ b/src/client/src/tscAsync.c
@@ -95,7 +95,7 @@ void taos_query_a(TAOS *taos, const char *sqlstr, __async_cb_func_t fp, void *pa
     return;
   }
   
-  nPrintTsc(sqlstr);
+  nPrintTsc("%s", sqlstr);
   
   SSqlObj *pSql = (SSqlObj *)calloc(1, sizeof(SSqlObj));
   if (pSql == NULL) {
diff --git a/src/client/src/tscSql.c b/src/client/src/tscSql.c
index 377cb24b1d5b1c92c702cd113c4feea185617911..92a2198a8089d2ab3e288ca52657df89fbcd5e43 100644
--- a/src/client/src/tscSql.c
+++ b/src/client/src/tscSql.c
@@ -327,7 +327,7 @@ TAOS_RES* taos_query_c(TAOS *taos, const char *sqlstr, uint32_t sqlLen, int64_t*
     return NULL;
   }
 
-  nPrintTsc(sqlstr);
+  nPrintTsc("%s", sqlstr);
 
   SSqlObj* pSql = calloc(1, sizeof(SSqlObj));
   if (pSql == NULL) {
diff --git a/src/plugins/http/src/httpSql.c b/src/plugins/http/src/httpSql.c
index 3e517c6fa682ce28ee2416aee3672a8628f953cf..cc8e9e86e37dea8de50d624435662c1e21ff4a94 100644
--- a/src/plugins/http/src/httpSql.c
+++ b/src/plugins/http/src/httpSql.c
@@ -181,7 +181,7 @@ void httpProcessMultiSql(HttpContext *pContext) {
   char *sql = httpGetCmdsString(pContext, cmd->sql);
   httpTraceL("context:%p, fd:%d, user:%s, process pos:%d, start query, sql:%s", pContext, pContext->fd, pContext->user,
              multiCmds->pos, sql);
-  nPrintHttp(sql);
+  nPrintHttp("%s", sql);
   taos_query_a(pContext->session->taos, sql, httpProcessMultiSqlCallBack, (void *)pContext);
 }
 
@@ -329,7 +329,7 @@ void httpProcessSingleSqlCmd(HttpContext *pContext) {
   }
 
   httpTraceL("context:%p, fd:%d, user:%s, start query, sql:%s", pContext, pContext->fd, pContext->user, sql);
-  nPrintHttp(sql);
+  nPrintHttp("%s", sql);
   taos_query_a(pSession->taos, sql, httpProcessSingleSqlCallBack, (void *)pContext);
 }
 
diff --git a/src/vnode/inc/vnodeRead.h b/src/vnode/inc/vnodeRead.h
index f5375d6ab0c19277e2c39a987fd4428fae1885e1..0e9655f837e311fd8d7d8779ce915e5b152be288 100644
--- a/src/vnode/inc/vnodeRead.h
+++ b/src/vnode/inc/vnodeRead.h
@@ -27,7 +27,7 @@ void    vnodeCleanupRead(void);
 int32_t vnodeWriteToRQueue(void *pVnode, void *pCont, int32_t contLen, int8_t qtype, void *rparam);
 void    vnodeFreeFromRQueue(void *pVnode, SVReadMsg *pRead);
 int32_t vnodeProcessRead(void *pVnode, SVReadMsg *pRead);
-void    vnodeWaitReadCompleted(void *pVnode);
+void    vnodeWaitReadCompleted(SVnodeObj *pVnode);
 
 #ifdef __cplusplus
 }
diff --git a/src/vnode/inc/vnodeWrite.h b/src/vnode/inc/vnodeWrite.h
index 5238e45b81fc7955e592970fd6634199940470e0..e996bc0b06f4563b24e5ebdfc90420b9e67df003 100644
--- a/src/vnode/inc/vnodeWrite.h
+++ b/src/vnode/inc/vnodeWrite.h
@@ -27,7 +27,7 @@ void    vnodeCleanupWrite(void);
 int32_t vnodeWriteToWQueue(void *pVnode, void *pHead, int32_t qtype, void *pRpcMsg);
 void    vnodeFreeFromWQueue(void *pVnode, SVWriteMsg *pWrite);
 int32_t vnodeProcessWrite(void *pVnode, void *pHead, int32_t qtype, void *pRspRet);
-void    vnodeWaitWriteCompleted(void *pVnode);
+void    vnodeWaitWriteCompleted(SVnodeObj *pVnode);
 
 #ifdef __cplusplus
 }
diff --git a/src/vnode/src/vnodeMain.c b/src/vnode/src/vnodeMain.c
index eb43fba0798085d84c793a145b082325e6d56a15..5f6f3fe105a9f0e4933db830dc42a6b597ea2ee1 100644
--- a/src/vnode/src/vnodeMain.c
+++ b/src/vnode/src/vnodeMain.c
@@ -420,9 +420,6 @@ void vnodeCleanUp(SVnodeObj *pVnode) {
 
   vnodeSetClosingStatus(pVnode);
 
-  // release local resources only after cutting off outside connections
-  qQueryMgmtNotifyClosed(pVnode->qMgmt);
-
   // stop replication module
   if (pVnode->sync > 0) {
     int64_t sync = pVnode->sync;
diff --git a/src/vnode/src/vnodeRead.c b/src/vnode/src/vnodeRead.c
index c864bc995bb58e81535111b1f2c7654699578930..acb1fc78f6554dc7cd4b984107a7bc1b95315b67 100644
--- a/src/vnode/src/vnodeRead.c
+++ b/src/vnode/src/vnodeRead.c
@@ -436,4 +436,9 @@ int32_t vnodeNotifyCurrentQhandle(void *handle, void *qhandle, int32_t vgId) {
   return rpcReportProgress(handle, (char *)pMsg, sizeof(SRetrieveTableMsg));
 }
 
-void vnodeWaitReadCompleted(void *pVnode) {}
\ No newline at end of file
+void vnodeWaitReadCompleted(SVnodeObj *pVnode) {
+  while (pVnode->queuedRMsg > 0) {
+    vTrace("vgId:%d, queued rmsg num:%d", pVnode->vgId, pVnode->queuedRMsg);
+    taosMsleep(10);
+  }
+}
\ No newline at end of file
diff --git a/src/vnode/src/vnodeStatus.c b/src/vnode/src/vnodeStatus.c
index ce7ddd11b529c7da22519af3c657e4e898aea2ea..11f79fb372e45199626ccdb9d97c6a4065de7296 100644
--- a/src/vnode/src/vnodeStatus.c
+++ b/src/vnode/src/vnodeStatus.c
@@ -18,6 +18,8 @@
 #include "taosmsg.h"
 #include "query.h"
 #include "vnodeStatus.h"
+#include "vnodeRead.h"
+#include "vnodeWrite.h"
 
 char* vnodeStatus[] = {
   "init",
@@ -75,6 +77,11 @@ bool vnodeSetClosingStatus(SVnodeObj* pVnode) {
     }
   }
 
+  // release local resources only after cutting off outside connections
+  qQueryMgmtNotifyClosed(pVnode->qMgmt);
+  vnodeWaitReadCompleted(pVnode);
+  vnodeWaitWriteCompleted(pVnode);
+
   return true;
 }
 
@@ -116,6 +123,11 @@ bool vnodeSetResetStatus(SVnodeObj* pVnode) {
     }
   }
 
+  // release local resources only after cutting off outside connections
+  qQueryMgmtNotifyClosed(pVnode->qMgmt);
+  vnodeWaitReadCompleted(pVnode);
+  vnodeWaitWriteCompleted(pVnode);
+
   return true;
 }
 
diff --git a/src/vnode/src/vnodeWrite.c b/src/vnode/src/vnodeWrite.c
index 5c2e871eb646a006484bcdc34995bda70a3ede8d..4f6ce9d2e431d4998252741bf475d1549af0eb7a 100644
--- a/src/vnode/src/vnodeWrite.c
+++ b/src/vnode/src/vnodeWrite.c
@@ -345,4 +345,9 @@ static int32_t vnodePerformFlowCtrl(SVWriteMsg *pWrite) {
   }
 }
 
-void vnodeWaitWriteCompleted(void *pVnode) {}
\ No newline at end of file
+void vnodeWaitWriteCompleted(SVnodeObj *pVnode) {
+  while (pVnode->queuedWMsg > 0) {
+    vTrace("vgId:%d, queued wmsg num:%d", pVnode->vgId, pVnode->queuedWMsg);
+    taosMsleep(10);
+  }
+}
diff --git a/tests/pytest/functions/function_percentile.py b/tests/pytest/functions/function_percentile.py
index e793008ce681a04111fdee29e91520fed944d05a..688e91eefa79348a88f37f3b7cb0cc1ac63152d8 100644
--- a/tests/pytest/functions/function_percentile.py
+++ b/tests/pytest/functions/function_percentile.py
@@ -144,8 +144,10 @@ class TDTestCase:
         print("apercentile result: %s" % tdSql.getData(0, 0))
 
         # Test case for: https://jira.taosdata.com:18080/browse/TD-2609
+
+        # modified for : https://jira.taosdata.com:18080/browse/TD-2627
         tdSql.execute("create table st(ts timestamp, k int)")
-        tdSql.execute("insert into st values(now, -100)")
+        tdSql.execute("insert into st values(now, -100)(now+1a,-99)")
         tdSql.query("select apercentile(k, 20) from st")
         tdSql.checkData(0, 0, -100.00)