diff --git a/services/Category.php b/services/Category.php
index 1b1521e9fcad6a99c0b303c9e8df8d8b1cc4f112..f5c6f2e9d0be733dea26badfd7afd6a5e4a75689 100644
--- a/services/Category.php
+++ b/services/Category.php
@@ -221,4 +221,12 @@ class Category extends Service
     {
         return $this->_category->getFilterCategory($category_id, $parent_id);
     }
+    
+    /**
+     * 得到category model的全名.
+     */
+    public function getChildCategory($category_id)
+    {
+        return $this->_category->getChildCategory($category_id);
+    }
 }
diff --git a/services/category/CategoryMongodb.php b/services/category/CategoryMongodb.php
index 0fdcd8e87e04eaa1679d35d26a82bc1f5510f419..6598da3cfda6e68376f32b6863c6df64abfe48d7 100644
--- a/services/category/CategoryMongodb.php
+++ b/services/category/CategoryMongodb.php
@@ -500,7 +500,10 @@ class CategoryMongodb extends Service implements CategoryInterface
 
         return $data;
     }
-
+    public function getChildCategory($category_id) {
+        
+        return $this->getChildCate($category_id);
+    }
     protected function getChildCate($category_id)
     {
         //echo $category_id;
@@ -521,6 +524,8 @@ class CategoryMongodb extends Service implements CategoryInterface
                     'name'        => $currentName,
                     'url_key'    => $currentUrlKey,
                     'parent_id'    => $one['parent_id'],
+                    'thumbnail_image' => $one['thumbnail_image'],
+                    'image' => $one['image'],
                 ];
             }
         }
diff --git a/services/category/CategoryMysqldb.php b/services/category/CategoryMysqldb.php
index b72f49bf0dab64967fee07fe26297064ccb83e15..9c09e485ba0352d66147234193a6c4fef980c934 100644
--- a/services/category/CategoryMysqldb.php
+++ b/services/category/CategoryMysqldb.php
@@ -578,6 +578,11 @@ class CategoryMysqldb extends Service implements CategoryInterface
 
         return $data;
     }
+    
+    public function getChildCategory($category_id) {
+        
+        return $this->getChildCate($category_id);
+    }
 
     protected function getChildCate($category_id)
     {
@@ -593,17 +598,19 @@ class CategoryMysqldb extends Service implements CategoryInterface
                 $one =$this->unserializeData($one) ;
                 $currentUrlKey = $one['url_key'];
                 $currentName = $one['name'];
-                $currentId = (string) $one['_id'];
-
+                $currentId = (string) $one['id'];
+                
                 $arr[$currentId] = [
                     //'_id' 		=> $currentId,
                     'name'        => $currentName,
                     'url_key'    => $currentUrlKey,
                     'parent_id'    => $one['parent_id'],
+                    'thumbnail_image' => $one['thumbnail_image'],
+                    'image' => $one['image'],
                 ];
             }
         }
-
+        
         return $arr;
     }