diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/yada/CityExpandControllerr.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/yada/CityExpandControllerr.java
new file mode 100644
index 000000000..7fe13ad1d
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/yada/CityExpandControllerr.java
@@ -0,0 +1,5 @@
+package com.ruoyi.web.controller.yada;/**
+ * @Author: JinSheng Song
+ * @Date: 2022/7/1 10:09
+ */public class CityExpandControllerr {
+}
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/domain_yada/CityFocusVO.java b/ruoyi-system/src/main/java/com/ruoyi/system/domain_yada/CityFocusVO.java
new file mode 100644
index 000000000..707a3a278
--- /dev/null
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/domain_yada/CityFocusVO.java
@@ -0,0 +1,5 @@
+package com.ruoyi.system.domain_yada;/**
+ * @Author: JinSheng Song
+ * @Date: 2022/7/1 10:15
+ */public class CityFocusVO {
+}
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/mapper_yada/CityExpandMapper.java b/ruoyi-system/src/main/java/com/ruoyi/system/mapper_yada/CityExpandMapper.java
new file mode 100644
index 000000000..cae63148f
--- /dev/null
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/mapper_yada/CityExpandMapper.java
@@ -0,0 +1,5 @@
+package com.ruoyi.system.mapper_yada;/**
+ * @Author: JinSheng Song
+ * @Date: 2022/7/1 10:12
+ */public class CityExpandMapper {
+}
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service_yada/ICityExpandService.java b/ruoyi-system/src/main/java/com/ruoyi/system/service_yada/ICityExpandService.java
new file mode 100644
index 000000000..7173d98fa
--- /dev/null
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service_yada/ICityExpandService.java
@@ -0,0 +1,5 @@
+package com.ruoyi.system.service_yada;/**
+ * @Author: JinSheng Song
+ * @Date: 2022/7/1 10:11
+ */public interface ICityExpandService {
+}
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service_yada/impl/CityExpandServiceimpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service_yada/impl/CityExpandServiceimpl.java
new file mode 100644
index 000000000..db830f074
--- /dev/null
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service_yada/impl/CityExpandServiceimpl.java
@@ -0,0 +1,5 @@
+package com.ruoyi.system.service_yada.impl;/**
+ * @Author: JinSheng Song
+ * @Date: 2022/7/1 10:12
+ */public class CityExpandServiceimpl {
+}
diff --git a/ruoyi-system/src/main/resources/mapper/system/CityExpandMapper.xml b/ruoyi-system/src/main/resources/mapper/system/CityExpandMapper.xml
new file mode 100644
index 000000000..e69de29bb