diff --git a/src/main/java/net/mingsoft/cms/action/CategoryAction.java b/src/main/java/net/mingsoft/cms/action/CategoryAction.java
index 43e5addd..cce498d4 100644
--- a/src/main/java/net/mingsoft/cms/action/CategoryAction.java
+++ b/src/main/java/net/mingsoft/cms/action/CategoryAction.java
@@ -182,7 +182,7 @@ public class CategoryAction extends BaseAction {
 	@RequiresPermissions("cms:category:del")
 	public ResultData delete(@RequestBody List<CategoryEntity> categorys, HttpServletResponse response, HttpServletRequest request) {
 		for(int i = 0;i<categorys.size();i++){
-			categoryBiz.delete(Integer.parseInt(categorys.get(i).getId()));
+			categoryBiz.delete(categorys.get(i).getId());
 		}
 		return ResultData.build().success();
 	}
diff --git a/src/main/java/net/mingsoft/cms/biz/ICategoryBiz.java b/src/main/java/net/mingsoft/cms/biz/ICategoryBiz.java
index 202cbd7c..834667c5 100644
--- a/src/main/java/net/mingsoft/cms/biz/ICategoryBiz.java
+++ b/src/main/java/net/mingsoft/cms/biz/ICategoryBiz.java
@@ -33,5 +33,5 @@ public interface ICategoryBiz extends IBaseBiz<CategoryEntity> {
      */
     void update(CategoryEntity entity);
 
-    void delete(int categoryId);
+    void delete(String categoryId);
 }
diff --git a/src/main/java/net/mingsoft/cms/biz/impl/CategoryBizImpl.java b/src/main/java/net/mingsoft/cms/biz/impl/CategoryBizImpl.java
index 9f0d8852..a9658150 100644
--- a/src/main/java/net/mingsoft/cms/biz/impl/CategoryBizImpl.java
+++ b/src/main/java/net/mingsoft/cms/biz/impl/CategoryBizImpl.java
@@ -37,6 +37,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -163,21 +164,21 @@ public class CategoryBizImpl extends BaseBizImpl<ICategoryDao, CategoryEntity> i
 	}
 
 	@Override
-	public void delete(int categoryId) {
+	public void delete(String categoryId) {
 		// TODO Auto-generated method stub
-		CategoryEntity category = (CategoryEntity) categoryDao.getEntity(categoryId);
+		CategoryEntity category = (CategoryEntity) categoryDao.selectById(categoryId);
 		//删除父类
 		if(category != null){
 			category.setCategoryParentId(null);
 			List<CategoryEntity> childrenList = categoryDao.queryChildren(category);
-			int[] ids = new int[childrenList.size()];
+			List<String> ids = new ArrayList<>();
 			for(int i = 0; i < childrenList.size(); i++){
 				//删除子类
-				ids[i] = Integer.parseInt(childrenList.get(i).getId());
+				ids.add(childrenList.get(i).getId());
 			}
-			categoryDao.delete(ids);
+			categoryDao.deleteBatchIds(ids);
 			// 删除文章
-			contentDao.deleteEntityByCategoryIds(ids);
+			contentDao.deleteEntityByCategoryIds(ids.toArray(new String[ids.size()]));
 		}
 	}
 
diff --git a/src/main/java/net/mingsoft/cms/dao/IContentDao.java b/src/main/java/net/mingsoft/cms/dao/IContentDao.java
index f82e909f..2578771e 100644
--- a/src/main/java/net/mingsoft/cms/dao/IContentDao.java
+++ b/src/main/java/net/mingsoft/cms/dao/IContentDao.java
@@ -41,5 +41,5 @@ public interface IContentDao extends IBaseDao<ContentEntity> {
      * 分类编号删除文章
      * @param ids
      */
-    void deleteEntityByCategoryIds(@Param("ids") int[] ids);
+    void deleteEntityByCategoryIds(@Param("ids") String[] ids);
 }
\ No newline at end of file