diff --git a/src/com/wentch/redkale/source/FilterExpress.java b/src/com/wentch/redkale/source/FilterExpress.java
index 2e04189be..7f680eb90 100644
--- a/src/com/wentch/redkale/source/FilterExpress.java
+++ b/src/com/wentch/redkale/source/FilterExpress.java
@@ -19,8 +19,8 @@ public enum FilterExpress {
     LESSTHANOREQUALTO("<="),
     LIKE("LIKE"),
     NOTLIKE("NOT LIKE"),
-    IGNORECASELIKE("LIKE"),
-    IGNORECASENOTLIKE("NOT LIKE"),
+    IGNORECASELIKE("LIKE"),  //不区分大小写的 LIKE
+    IGNORECASENOTLIKE("NOT LIKE"), //不区分大小写的 NOT LIKE
     BETWEEN("BETWEEN"),
     NOTBETWEEN("NOT BETWEEN"),
     IN("IN"),