diff --git a/plusone-start/src/test/java/xyz/zhouxy/plusone/TestAop.java b/plusone-start/src/test/java/xyz/zhouxy/plusone/TestAop.java
index 12a2322..73df511 100644
--- a/plusone-start/src/test/java/xyz/zhouxy/plusone/TestAop.java
+++ b/plusone-start/src/test/java/xyz/zhouxy/plusone/TestAop.java
@@ -1,5 +1,7 @@
 package xyz.zhouxy.plusone;
 
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
 import javax.annotation.Resource;
 
 import org.junit.jupiter.api.Test;
@@ -25,6 +27,7 @@ class TestAop {
         command.setPrincipal("Code108");
         command.setPassword("2333");
         command.setRememberMe(false);
+        assertNotNull(service);
         LoginInfoViewObject loginInfo = service.loginByPassword(command);
         System.err.println(loginInfo);
     }