diff --git a/designer-base/src/test/java/com/fr/design/DesignerEnvManagerTest.java b/designer-base/src/test/java/com/fr/design/DesignerEnvManagerTest.java
index b7d123d66..1e16a1d7c 100644
--- a/designer-base/src/test/java/com/fr/design/DesignerEnvManagerTest.java
+++ b/designer-base/src/test/java/com/fr/design/DesignerEnvManagerTest.java
@@ -1,5 +1,6 @@
 package com.fr.design;
 
+import com.fr.invoke.Reflect;
 import junit.framework.TestCase;
 
 import java.util.Locale;
@@ -17,4 +18,10 @@ public class DesignerEnvManagerTest extends TestCase{
         assertEquals("下边界", envManager.getLanguage(), Locale.SIMPLIFIED_CHINESE);
 
     }
+
+    public void testCheckLocale() {
+        DesignerEnvManager envManager = new DesignerEnvManager();
+        Locale checkLocale = Reflect.on(envManager).call("checkLocale", Locale.getDefault()).get();
+        assertEquals(Locale.SIMPLIFIED_CHINESE, checkLocale);
+    }
 }