Merge branch 'lyh-bug-36975' into test

src/main/java/com/fdkankan/ucenter/service/impl/CameraDetailServiceImpl.java

@@ -174,7 +174,7 @@ public class CameraDetailServiceImpl extends ServiceImpl<ICameraDetailMapper, Ca
     public void addUsedSpace(Long id,Long space) {
         LambdaUpdateWrapper<CameraDetail> wrapper = new LambdaUpdateWrapper<>();
         wrapper.eq(CameraDetail::getId,id);
-        wrapper.setSql("used_space + " + space);
+        wrapper.setSql("used_space =  used_space + " + space);
         this.update(wrapper);
     }