fix

midjourney/src/main/java/com/yhlxj/web/mirror/AlphaMidjourneyController.java

@@ -85,7 +85,7 @@ public class AlphaMidjourneyController {
 
         if (MODE_FAST.equals(mode) && user.getMjFastNum() < 1) {
             return badRequestResponse("您已经没有次数啦。模式:" + mode);
-        } else if (MODE_RELAX.equals(mode) && user.getMjRelaxNum() < 1) {
+        } else if (MODE_RELAX.equals(mode) && user.getMjRelaxNum() != null && user.getMjRelaxNum() < 1) {
             return badRequestResponse("您已经没有次数啦。模式:" + mode);
         }
         return new AlphaAuditLimitResponse();