diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/StringUtil.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/StringUtil.java
index 002d232..929546f 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/StringUtil.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/StringUtil.java
@@ -361,10 +361,11 @@ public class StringUtil {
             else break;
         }
         switch (zeroCount) {
-            case 10: return code.substring(0, 2);
-            case 8:  return code.substring(0, 4);
-            case 6:  return code.substring(0, 6);
-            case 3:  return code.substring(0, 9);
+            case 10: return code.substring(0, 2);// 省
+            case 8:
+            case 9:  return code.substring(0, 4);// 地
+            case 6:  return code.substring(0, 6);// 县
+            case 3:  return code.substring(0, 9);// 乡
             default: return code;
         }
     }