fix readme

README.md

@@ -1,9 +1,40 @@
-dimension_apn
-=====
+# 基于erlang的推送服务
 
-An OTP application
+## api接口
 
-Build
------
 
-    $ rebar3 compile
+### 1. 批量推送消息
+
+url: "/api/push"
+method: POST
+body: 
+
+```json
+[
+  {
+    "device_token": "b48b911e85874b403ce80cbb33864e8ed6f06455e80310b0f6b95e672a3e39dc",
+    "title": "动物狂响曲",
+    "body": "第7集(校服与被毛更深处),bilibili已更新",
+    "custom_data": {
+      "target": "detail",
+      "params": {
+        "drama_id": 1234
+      }
+    }
+  },
+
+  {
+    "device_token": "b48b911e85874b403ce80cbb33864e8ed6f06455e80310b0f6b95e672a3e39dc",
+    "title": "动物狂响曲",
+    "body": "第7集(校服与被毛更深处),bilibili已更新",
+    "custom_data": {
+      "target": "detail",
+      "params": {
+        "drama_id": 1234
+      }
+    }
+  }
+]
+```
+字段说明：
+    custom_data使用指定页面的跳转逻辑，target字段目前固定为: detail；参数部分的: drama_id指定为要进入的详情页面id