diff --git a/module-map/src/main/java/ink/wgink/module/map/service/grid/impl/GridServiceImpl.java b/module-map/src/main/java/ink/wgink/module/map/service/grid/impl/GridServiceImpl.java
index d38d9c8e..0de02a5e 100644
--- a/module-map/src/main/java/ink/wgink/module/map/service/grid/impl/GridServiceImpl.java
+++ b/module-map/src/main/java/ink/wgink/module/map/service/grid/impl/GridServiceImpl.java
@@ -569,7 +569,7 @@ public class GridServiceImpl extends DefaultBaseService implements IGridService
      */
     private String getSaveGridCode(String areaCode) {
         GridPO areaLastPO = getAreaLastPO(areaCode);
-        return areaLastPO == null ? String.format("%s001", areaLastPO.getAreaCode().substring(0, 12)) : String.valueOf(Long.valueOf(areaLastPO.getGridCode()) + 1);
+        return areaLastPO == null ? String.format("%s001", areaCode.substring(0, 12)) : String.valueOf(Long.valueOf(areaLastPO.getGridCode()) + 1);
     }
 
     /**