diff --git a/designer-form/src/main/java/com/fr/design/widget/ui/designer/date/check/DateFormatFrontCheck.java b/designer-form/src/main/java/com/fr/design/widget/ui/designer/date/check/DateFormatFrontCheck.java
index 791f079c6..165a900ad 100644
--- a/designer-form/src/main/java/com/fr/design/widget/ui/designer/date/check/DateFormatFrontCheck.java
+++ b/designer-form/src/main/java/com/fr/design/widget/ui/designer/date/check/DateFormatFrontCheck.java
@@ -62,8 +62,7 @@ public class DateFormatFrontCheck implements DateFormatCheck {
     }
 
     private boolean isSpecialFmt(String fmt) {
-        String lowerFmt = fmt.toLowerCase();
-        return AssistUtils.equals(lowerFmt, "%y%x") || AssistUtils.equals(lowerFmt, "%y%x%d");
+        return AssistUtils.equals(fmt, "%Y%X") || AssistUtils.equals(fmt, "%Y%X%d");
     }
 
     private String parseFmt(String fmt) {
diff --git a/designer-form/src/test/java/com/fr/design/widget/ui/designer/date/check/DateFormatFrontCheckTest.java b/designer-form/src/test/java/com/fr/design/widget/ui/designer/date/check/DateFormatFrontCheckTest.java
new file mode 100644
index 000000000..d69728441
--- /dev/null
+++ b/designer-form/src/test/java/com/fr/design/widget/ui/designer/date/check/DateFormatFrontCheckTest.java
@@ -0,0 +1,27 @@
+package com.fr.design.widget.ui.designer.date.check;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * @author Lucian.Chen
+ * @version 10.0
+ * Created by Lucian.Chen on 2022/4/18
+ */
+public class DateFormatFrontCheckTest {
+
+    @Test
+    public void testAccept() {
+        Assert.assertTrue(DateFormatFrontCheck.KEY.accept("20220101", "yyyyMMdd"));
+        Assert.assertTrue(DateFormatFrontCheck.KEY.accept("202201", "yyyyMM"));
+        Assert.assertTrue(DateFormatFrontCheck.KEY.accept("2022-01-01", "yyyy-MM-dd"));
+        Assert.assertTrue(DateFormatFrontCheck.KEY.accept("22/01/01", "yy/MM/dd"));
+        Assert.assertTrue(DateFormatFrontCheck.KEY.accept("2022年01月01日", "yyyy年MM月dd日"));
+        Assert.assertTrue(DateFormatFrontCheck.KEY.accept("2022/01/01 12:30:00", "yyyy/MM/dd HH:mm:ss"));
+
+        Assert.assertFalse(DateFormatFrontCheck.KEY.accept("220101", "yyMMdd"));
+        Assert.assertFalse(DateFormatFrontCheck.KEY.accept("20221", "yyyyM"));
+        Assert.assertFalse(DateFormatFrontCheck.KEY.accept("20220101123000", "yyyyMMddHHmmss"));
+        Assert.assertFalse(DateFormatFrontCheck.KEY.accept("2022-01-01", "YYYY-MM-dd"));
+    }
+}