diff --git a/source/libs/parser/src/parInsert.c b/source/libs/parser/src/parInsert.c
index 803d8e00d8c217c7e404536a482e960b30509866..1111ff2887b52c7b58701b02d6a60ab1d6a42b89 100644
--- a/source/libs/parser/src/parInsert.c
+++ b/source/libs/parser/src/parInsert.c
@@ -28,6 +28,13 @@
     pSql += index; \
   } while (0)
 
+#define NEXT_TOKEN_WITH_PREV(pSql, sToken) \
+  do { \
+    int32_t index = 0; \
+    sToken = tStrGetToken(pSql, &index, true); \
+    pSql += index; \
+  } while (0)
+
 #define NEXT_TOKEN_KEEP_SQL(pSql, sToken, index) \
   do { \
     sToken = tStrGetToken(pSql, &index, false); \
@@ -352,7 +359,7 @@ static int parseTime(char **end, SToken *pToken, int16_t timePrec, int64_t *time
   sToken = tStrGetToken(pTokenEnd, &index, false);
   pTokenEnd += index;
 
-  if (sToken.type == TK_MINUS || sToken.type == TK_NK_PLUS) {
+  if (sToken.type == TK_NK_MINUS || sToken.type == TK_NK_PLUS) {
     index = 0;
     valueToken = tStrGetToken(pTokenEnd, &index, false);
     pTokenEnd += index;
@@ -748,7 +755,7 @@ static int32_t parseTagsClause(SInsertParseContext* pCxt, SSchema* pTagsSchema,
   SToken sToken;
   char tmpTokenBuf[TSDB_MAX_BYTES_PER_ROW] = {0};  // used for deleting Escape character: \\, \', \"
   for (int i = 0; i < pCxt->tags.numOfBound; ++i) {
-    NEXT_TOKEN(pCxt->pSql, sToken);
+    NEXT_TOKEN_WITH_PREV(pCxt->pSql, sToken);
     SSchema* pSchema = &pTagsSchema[pCxt->tags.boundedColumns[i]];
     param.schema = pSchema;
     CHECK_CODE(parseValueToken(&pCxt->pSql, &sToken, pSchema, precision, tmpTokenBuf, KvRowAppend, &param, &pCxt->msg));
@@ -814,7 +821,7 @@ static int parseOneRow(SInsertParseContext* pCxt, STableDataBlocks* pDataBlocks,
   SToken sToken = {0};
   // 1. set the parsed value from sql string
   for (int i = 0; i < spd->numOfBound; ++i) {
-    NEXT_TOKEN(pCxt->pSql, sToken);
+    NEXT_TOKEN_WITH_PREV(pCxt->pSql, sToken);
     SSchema *pSchema = &schema[spd->boundedColumns[i] - 1];
     param.schema = pSchema;
     getMemRowAppendInfo(schema, pBuilder->rowType, spd, i, &param.toffset, &param.colIdx);
diff --git a/source/libs/parser/src/parTokenizer.c b/source/libs/parser/src/parTokenizer.c
index 3cd4549ad068140416ad0f33c5284526a25d8581..7f161570905de9db01c6941aff38dd53b0345931 100644
--- a/source/libs/parser/src/parTokenizer.c
+++ b/source/libs/parser/src/parTokenizer.c
@@ -320,7 +320,7 @@ uint32_t tGetToken(const char* z, uint32_t* tokenId) {
         *tokenId = TK_NK_COMMENT;
         return i;
       }
-      *tokenId = TK_MINUS;
+      *tokenId = TK_NK_MINUS;
       return 1;
     }
     case '(': {
@@ -674,7 +674,7 @@ SToken tStrGetToken(const char* str, int32_t* i, bool isPrevOptr) {
 
   } else {
     // support parse the -/+number format
-    if ((isPrevOptr) && (t0.type == TK_MINUS || t0.type == TK_NK_PLUS)) {
+    if ((isPrevOptr) && (t0.type == TK_NK_MINUS || t0.type == TK_NK_PLUS)) {
       len = tGetToken(&str[*i + t0.n], &type);
       if (type == TK_NK_INTEGER || type == TK_NK_FLOAT) {
         t0.type = type;
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 70652901ef1a83c27e6d69fa5548e5a3639d1eb1..f20bc5f2e6d113b56c4532d3175ff8c2ef6b8cdb 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -873,12 +873,22 @@ static int32_t translateAlterDatabase(STranslateContext* pCxt, SAlterDatabaseStm
   return TSDB_CODE_SUCCESS;
 }
 
+static int32_t calcTypeBytes(SDataType dt) {
+  if (TSDB_DATA_TYPE_BINARY == dt.type) {
+    return dt.bytes + VARSTR_HEADER_SIZE;
+  } else if (TSDB_DATA_TYPE_NCHAR == dt.type) {
+    return dt.bytes * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE;
+  } else {
+    return dt.bytes;
+  }
+}
+
 static int32_t columnNodeToField(SNodeList* pList, SArray** pArray) {
   *pArray = taosArrayInit(LIST_LENGTH(pList), sizeof(SField));
   SNode* pNode;
   FOREACH(pNode, pList) {
     SColumnDefNode* pCol = (SColumnDefNode*)pNode;
-    SField field = { .type = pCol->dataType.type, .bytes = pCol->dataType.bytes };
+    SField field = { .type = pCol->dataType.type, .bytes = calcTypeBytes(pCol->dataType) };
     strcpy(field.name, pCol->colName);
     taosArrayPush(*pArray, &field);
   }