diff --git a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/domain/GenTable.java b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/domain/GenTable.java
index a4709e22..eadb1315 100644
--- a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/domain/GenTable.java
+++ b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/domain/GenTable.java
@@ -93,7 +93,7 @@ public class GenTable extends BaseEntity
     private String treeName;
 
     /** 上级菜单ID字段 */
-    private String parentMenuId;
+    private Long parentMenuId;
 
     /** 上级菜单名称字段 */
     private String parentMenuName;
@@ -317,12 +317,12 @@ public class GenTable extends BaseEntity
         this.treeName = treeName;
     }
 
-    public String getParentMenuId()
+    public Long getParentMenuId()
     {
         return parentMenuId;
     }
 
-    public void setParentMenuId(String parentMenuId)
+    public void setParentMenuId(Long parentMenuId)
     {
         this.parentMenuId = parentMenuId;
     }
diff --git a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
index e24da1b3..24194ccd 100644
--- a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
+++ b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
@@ -491,7 +491,7 @@ public class GenTableServiceImpl implements IGenTableService
             String treeCode = paramsObj.getString(GenConstants.TREE_CODE);
             String treeParentCode = paramsObj.getString(GenConstants.TREE_PARENT_CODE);
             String treeName = paramsObj.getString(GenConstants.TREE_NAME);
-            String parentMenuId = paramsObj.getString(GenConstants.PARENT_MENU_ID);
+            Long parentMenuId = paramsObj.getLongValue(GenConstants.PARENT_MENU_ID);
             String parentMenuName = paramsObj.getString(GenConstants.PARENT_MENU_NAME);
 
             genTable.setTreeCode(treeCode);