用户密码为空判断

@@ -33,9 +33,10 @@ public class UserPasswordMd5AOP {
         Object[] args = joinPoint.getArgs();
         if (args != null && args.length > 0 && args[0].getClass() == USERS.class) {
             USERS user = (USERS)args[0];
-            user.setPassword(DigestUtils.md5Hex(user.getPassword()));
-            args[0] = user;
-
+            if (null!=user.getPassword() && !user.getPassword().isEmpty()){
+                user.setPassword(DigestUtils.md5Hex(user.getPassword()));
+                args[0] = user;
+            }
         }
         Object retmsg=null;
         try {