diff --git a/src/connector/jdbc/pom.xml b/src/connector/jdbc/pom.xml
old mode 100755
new mode 100644
index ef353d1d19d37da3c1a3e9bdc4a2a378cf4edc0c..e350e9738e9a15be58a3d288ddc2af564fbf3fbe
--- a/src/connector/jdbc/pom.xml
+++ b/src/connector/jdbc/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.8</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 5ac19bba82508361a1b46ca58291648dc531e008..698a1c749b45e23f7303c6eb186bd9d859ca8a56 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -4096,15 +4096,13 @@ static SFillColInfo* createFillColInfo(SExprInfo* pExpr, int32_t numOfOutput, in
   return pFillCol;
 }
 
-int32_t doInitQInfo(SQInfo* pQInfo, STSBuf* pTsBuf, SArray* prevResult, void* tsdb, void* sourceOptr, int32_t tbScanner,
+int32_t doInitQInfo(SQInfo* pQInfo, STSBuf* pTsBuf, void* tsdb, void* sourceOptr, int32_t tbScanner,
                     SArray* pOperator, void* param) {
   SQueryRuntimeEnv *pRuntimeEnv = &pQInfo->runtimeEnv;
 
   SQueryAttr *pQueryAttr = pQInfo->runtimeEnv.pQueryAttr;
   pQueryAttr->tsdb = tsdb;
 
-  pRuntimeEnv->prevResult = prevResult;
-
   if (tsdb != NULL) {
     int32_t code = setupQueryHandle(tsdb, pRuntimeEnv, pQInfo->qId, pQueryAttr->stableQuery);
     if (code != TSDB_CODE_SUCCESS) {
@@ -7254,7 +7252,9 @@ int32_t initQInfo(STsBufInfo* pTsBufInfo, void* tsdb, void* sourceOptr, SQInfo*
 
   SArray* prevResult = NULL;
   if (prevResultLen > 0) {
-    prevResult = interResFromBinary(param->prevResult, prevResultLen);
+    prevResult = interResFromBinary(param->prevResult, prevResultLen);    
+    
+    pRuntimeEnv->prevResult = prevResult;
   }
 
   if (tsdb != NULL) {
@@ -7278,7 +7278,7 @@ int32_t initQInfo(STsBufInfo* pTsBufInfo, void* tsdb, void* sourceOptr, SQInfo*
   }
 
   // filter the qualified
-  if ((code = doInitQInfo(pQInfo, pTsBuf, prevResult, tsdb, sourceOptr, param->tableScanOperator, param->pOperator, merger)) != TSDB_CODE_SUCCESS) {
+  if ((code = doInitQInfo(pQInfo, pTsBuf, tsdb, sourceOptr, param->tableScanOperator, param->pOperator, merger)) != TSDB_CODE_SUCCESS) {
     goto _error;
   }
 
diff --git a/tests/comparisonTest/opentsdb/opentsdbtest/pom.xml b/tests/comparisonTest/opentsdb/opentsdbtest/pom.xml
index 0af7491128cf21fc3a35d32701c0aec1aeff88cd..29c2a90f1080f81abe54597aded28e9530e14859 100644
--- a/tests/comparisonTest/opentsdb/opentsdbtest/pom.xml
+++ b/tests/comparisonTest/opentsdb/opentsdbtest/pom.xml
@@ -162,7 +162,7 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.5.4</version>
+      <version>4.5.13</version>
     </dependency>
     
     <dependency>