change

fs-service/src/main/java/com/fs/course/service/impl/FsCourseProductOrderServiceImpl.java

@@ -125,6 +125,7 @@ public class FsCourseProductOrderServiceImpl extends ServiceImpl<FsCourseProduct
 
     private static final int CODE_LENGTH = 12;
 
+    @Autowired
     private IFsUserWxService userWxService;