diff --git a/src/main/java/com/alibaba/druid/sql/parser/Token.java b/src/main/java/com/alibaba/druid/sql/parser/Token.java
index e1390c39bc..bcefc7cc6e 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/Token.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/Token.java
@@ -306,7 +306,7 @@ public enum Token {
     TILDE_STAR("~*"),
     TILDE_EQ("~="),
     QUES("?"),
-    QUESQUES("?？"),
+    QUESQUES("??"),
     QUESBAR("?|"),
     QUESAMP("?&"),
     COLON(":"),