diff --git a/src/sql/parser/ob_fast_parser.cpp b/src/sql/parser/ob_fast_parser.cpp
index ac05d6e5b2..f7694b0f56 100644
--- a/src/sql/parser/ob_fast_parser.cpp
+++ b/src/sql/parser/ob_fast_parser.cpp
@@ -1481,12 +1481,19 @@ int ObFastParserBase::process_double_quote()
 int ObFastParserBase::process_comment_content(bool is_mysql_comment)
 {
   int ret = OB_SUCCESS;
-  // if is in /*! xxx */ the token tyep should be normal
+  // if is in /*! xxx */ the token type should be normal
   cur_token_type_ = is_mysql_comment ? NORMAL_TOKEN : IGNORE_TOKEN;
   bool is_match = false;
   char ch = raw_sql_.scan();
   while (!raw_sql_.is_search_end()) {
-    if ('*' == ch && '/' == raw_sql_.peek()) {
+    if (is_mysql_comment && '/' == ch && '*' == raw_sql_.peek()) {
+      raw_sql_.scan();
+      if (OB_FAIL(process_comment_content())) {
+        LOG_WARN("failed to process comment content", K(ret));
+      } else {
+        cur_token_type_ = NORMAL_TOKEN;
+      }
+    } else if ('*' == ch && '/' == raw_sql_.peek()) {
       // scan '\/'
       raw_sql_.scan();
       is_match = true;
diff --git a/src/sql/parser/ob_parser.cpp b/src/sql/parser/ob_parser.cpp
index 02d2d15637..8e74234b6e 100644
--- a/src/sql/parser/ob_parser.cpp
+++ b/src/sql/parser/ob_parser.cpp
@@ -911,6 +911,7 @@ int ObParser::parse_sql(const ObString &stmt,
     // if is multi_values_parser opt not need retry
     if (lib::is_mysql_mode() && !parse_result.is_multi_values_parser_) {
       parse_result.enable_compatible_comment_ = false;
+      parse_result.mysql_compatible_comment_ = false;
       if (OB_FAIL(sql_parser.parse(stmt.ptr(), stmt.length(), parse_result))) {
         //do nothing.
       }