diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index f8c072a23912f9451785a19f13b4950c1fead629..953914c50491db0eb0bc2d7f417e1ca390cdd171 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -621,7 +621,7 @@ static int32_t tscEstimateQueryMsgSize(SSqlObj *pSql, int32_t clauseIndex) {
   SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, clauseIndex);
 
   int32_t srcColListSize = (int32_t)(taosArrayGetSize(pQueryInfo->colList) * sizeof(SColumnInfo));
-
+  int32_t srcColFilterSize = tscGetColFilterSerializeLen(pQueryInfo);
   size_t  numOfExprs = tscSqlExprNumOfExprs(pQueryInfo);
   int32_t exprSize = (int32_t)(sizeof(SSqlFuncMsg) * numOfExprs * 2);
 
@@ -643,8 +643,8 @@ static int32_t tscEstimateQueryMsgSize(SSqlObj *pSql, int32_t clauseIndex) {
     tableSerialize = totalTables * sizeof(STableIdInfo);
   }
 
-  return MIN_QUERY_MSG_PKT_SIZE + minMsgSize() + sizeof(SQueryTableMsg) + srcColListSize + exprSize + tsBufSize +
-         tableSerialize + sqlLen + 4096 + pQueryInfo->bufLen;
+  return MIN_QUERY_MSG_PKT_SIZE + minMsgSize() + sizeof(SQueryTableMsg) + srcColListSize + srcColFilterSize +
+         exprSize + tsBufSize + tableSerialize + sqlLen + 4096 + pQueryInfo->bufLen;
 }
 
 static char *doSerializeTableInfo(SQueryTableMsg* pQueryMsg, SSqlObj *pSql, char *pMsg, int32_t *succeed) {
@@ -1099,7 +1099,7 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
     
     SCond *pCond = tsGetSTableQueryCond(pTagCond, pTableMeta->id.uid);
     if (pCond != NULL && pCond->cond != NULL) {
-      pQueryMsg->tagCondLen = htons(pCond->len);
+      pQueryMsg->tagCondLen = htonl(pCond->len);
       memcpy(pMsg, pCond->cond, pCond->len);
       
       pMsg += pCond->len;
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 773243891fb06d7effac9a6f09dc27df2956b9c4..5e59f54c8898d61b64109ed699d1431723553878 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -2989,4 +2989,20 @@ STableMeta* tscTableMetaDup(STableMeta* pTableMeta) {
   return p;
 }
 
+int32_t tscGetColFilterSerializeLen(SQueryInfo* pQueryInfo) {
+  int16_t numOfCols = (int16_t)taosArrayGetSize(pQueryInfo->colList);
+  int32_t len = 0;
+
+  for(int32_t i = 0; i < numOfCols; ++i) {
+    SColumn* pCol = taosArrayGetP(pQueryInfo->colList, i);
+    for (int32_t j = 0; j < pCol->numOfFilters; ++j) {
+      SColumnFilterInfo *pColFilter = &pCol->filterInfo[j];
+      len += sizeof(SColumnFilterInfo);
+      if (pColFilter->filterstr) {
+        len += (int32_t)pColFilter->len + 1;
+      }
+    }
+  }
+  return len;
+}
 
diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index d7ac7dd277c0487b97096821753c904da137e534..2d782108440971d31af16ffeb1a6d5f2a2dc205c 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -494,7 +494,7 @@ typedef struct {
   int16_t     numOfCols;        // the number of columns will be load from vnode
   SInterval   interval;
   SSessionWindow sw;            // session window
-  uint16_t    tagCondLen;       // tag length in current query
+  uint32_t    tagCondLen;       // tag length in current query
   uint32_t    tbnameCondLen;    // table name filter condition string length
   int16_t     numOfGroupCols;   // num of group by columns
   int16_t     orderByIdx;
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 6b32508f0761a273ca583e14e8349d4d3b01c109..f96d33f060dc7707890e020ee6a5e5d4dc5d1518 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -6172,7 +6172,7 @@ int32_t convertQueryMsg(SQueryTableMsg *pQueryMsg, SQueryParam* param) {
   pQueryMsg->numOfCols = htons(pQueryMsg->numOfCols);
   pQueryMsg->numOfOutput = htons(pQueryMsg->numOfOutput);
   pQueryMsg->numOfGroupCols = htons(pQueryMsg->numOfGroupCols);
-  pQueryMsg->tagCondLen = htons(pQueryMsg->tagCondLen);
+  pQueryMsg->tagCondLen = htonl(pQueryMsg->tagCondLen);
   pQueryMsg->tsOffset = htonl(pQueryMsg->tsOffset);
   pQueryMsg->tsLen = htonl(pQueryMsg->tsLen);
   pQueryMsg->tsNumOfBlocks = htonl(pQueryMsg->tsNumOfBlocks);