diff --git a/src/main/java/com/gaotao/modules/sys/controller/AbstractController.java b/src/main/java/com/gaotao/modules/sys/controller/AbstractController.java
index a95d79a..c08ed61 100644
--- a/src/main/java/com/gaotao/modules/sys/controller/AbstractController.java
+++ b/src/main/java/com/gaotao/modules/sys/controller/AbstractController.java
@@ -25,6 +25,6 @@ public abstract class AbstractController {
     }
 
     public String getLanguageMsg(String objectId){
-      return   sysMsgService.getLanguageMsg( objectId);
+      return   sysMsgService.getLanguageMsg(objectId);
     }
 }
diff --git a/src/main/java/com/gaotao/modules/sys/service/impl/SysMsgServiceImpl.java b/src/main/java/com/gaotao/modules/sys/service/impl/SysMsgServiceImpl.java
index 79f135a..830b522 100644
--- a/src/main/java/com/gaotao/modules/sys/service/impl/SysMsgServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/sys/service/impl/SysMsgServiceImpl.java
@@ -19,6 +19,10 @@ import org.springframework.stereotype.Service;
 public class SysMsgServiceImpl implements SysMsgService {
 
     protected SysUserEntity getUser() {
+        //处理null
+        if(SecurityUtils.getSubject().getPrincipal() == null){
+            return new SysUserEntity();
+        }
         return (SysUserEntity) SecurityUtils.getSubject().getPrincipal();
     }
     @Autowired