diff --git a/src/plugins/http/src/httpParser.c b/src/plugins/http/src/httpParser.c
index 4ce54a8ee630579499fe498e5d8c155bb5916eea..18cea56cfe6e0d1e8a4f833a920e5473536e1c7e 100644
--- a/src/plugins/http/src/httpParser.c
+++ b/src/plugins/http/src/httpParser.c
@@ -110,7 +110,7 @@ static void httpCleanupString(HttpString *str) {
 static int32_t httpAppendString(HttpString *str, const char *s, int32_t len) {
   if (str->size == 0) {
     str->pos = 0;
-    str->size = 64;
+    str->size = len + 1;
     str->str = malloc(str->size);
   } else if (str->pos + len + 1 >= str->size) {
     str->size += len;
@@ -715,10 +715,12 @@ static int32_t httpParserOnVersion(HttpParser *parser, HTTP_PARSER_STATE state,
 
     if (parser->method) {
       ok = httpOnRequestLine(parser, parser->method, parser->target, parser->version);
+      /*
       if (parser->target) {
         free(parser->target);
         parser->target = NULL;
       }
+      */
     }
 
     httpClearString(&parser->str);
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 8f3c51d2a9688690d3b4331a762ce917e9d487cb..b2d97e2d6935096ed5171d5284cfcb1987e36535 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -2747,7 +2747,10 @@ static void doSetTagValueInParam(void* pTable, int32_t tagColId, tVariant *tag,
   }
 
   if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) {
-    tVariantCreateFromBinary(tag, varDataVal(val), varDataLen(val), type);
+    int32_t maxLen = bytes - VARSTR_HEADER_SIZE;
+    int32_t len = (varDataLen(val) > maxLen)? maxLen:varDataLen(val);
+    tVariantCreateFromBinary(tag, varDataVal(val), len, type);
+    //tVariantCreateFromBinary(tag, varDataVal(val), varDataLen(val), type);
   } else {
     tVariantCreateFromBinary(tag, val, bytes, type);
   }
@@ -6539,8 +6542,15 @@ static void doSetTagValueToResultBuf(char* output, const char* val, int16_t type
     return;
   }
 
-  if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) {
-    memcpy(output, val, varDataTLen(val));
+  if (IS_VAR_DATA_TYPE(type)) {
+    // Binary data overflows for sort of unknown reasons. Let trim the overflow data
+    if (varDataTLen(val) > bytes) {
+      int32_t len = bytes - VARSTR_HEADER_SIZE;   // remain available space
+      memcpy(varDataVal(output), varDataVal(val), len);
+      varDataSetLen(output, len);
+    } else {
+      varDataCopy(output, val);
+    }
   } else {
     memcpy(output, val, bytes);
   }