diff --git a/u2_api.yml b/u2_api.yml
index acba178..4189209 100644
--- a/u2_api.yml
+++ b/u2_api.yml
@@ -106,7 +106,7 @@ paths:
             type: integer
           in: query
           description: |
-            筛选对此用户生效的魔法(包含私有魔法)
+            筛选对此用户生效的魔法(包含私有魔法)  
             默认为请求者的UID
         - name: skip_cache
           schema: 
@@ -114,7 +114,7 @@ paths:
             enum: [0, 1]
           in: query
           description: |
-            0 正常请求[默认]
+            0 正常请求[默认]  
             1 跳过缓存请求
       responses: 
         "200":
@@ -123,3 +123,36 @@ paths:
             application/json:
               schema: 
                 type: object
+  /v1/promotion_specific:
+    get:
+      operationId: getPromotionSpecific
+      summary: 特定种子当前有效魔法
+      externalDocs: 
+        url: https://github.com/kysdm/u2_api#特定种子当前有效魔法
+      parameters: 
+        - name: uid
+          schema: 
+            type: integer
+          in: query
+          description: u2账户id
+          required: true
+        - name: token
+          schema: 
+            type: string
+            format: password
+          in: query
+          description: 鉴权中返回的值
+          required: true
+        - name: torrent_id
+          schema: 
+            type: integer
+          in: query
+          description: 种子ID
+          required: true
+      responses: 
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema: 
+                type: object