diff --git a/applications/920_网易蜗牛读书/meta.json b/applications/920_网易蜗牛读书/meta.json
index 5e8f7c4..5a55f0e 100644
--- a/applications/920_网易蜗牛读书/meta.json
+++ b/applications/920_网易蜗牛读书/meta.json
@@ -1,18 +1,18 @@
 {
-  "id": "9aca6ee5-e573-4af7-9f94-c60ca5dc0bcb",
+  "id": "591169ff-dcf0-28d8-d14e-36b62329ee21",
   "name": "920_网易蜗牛读书",
   "longName": "920_网易蜗牛读书",
-  "developer": "",
-  "website": "",
+  "developer": "广州网易计算机系统有限公司",
+  "website": "http://du.163.com",
   "packageName": {
-    "android": "",
-    "ios": ""
+    "android": "com.netease.snailread",
+    "ios": "com.netease.SnailReader"
   },
   "properties": {
-    "category": "",
-    "subcategory": "",
+    "category": "business-systems",
+    "subcategory": "general-business",
     "content": "unknown",
-    "parentApp": "",
-    "risk": 1
+    "risk": 1,
+    "characteristics": "vulnerability,saas,widely-used"
   }
 }
\ No newline at end of file
diff --git a/applications/920_网易蜗牛读书/signature.json b/applications/920_网易蜗牛读书/signature.json
index 1107258..4f28b04 100644
--- a/applications/920_网易蜗牛读书/signature.json
+++ b/applications/920_网易蜗牛读书/signature.json
@@ -1,3 +1,67 @@
 {
-  "surrogates": []
-}
+  "surrogates": [
+    {
+      "name": "surrogate_1",
+      "description": "",
+      "signatures": [
+        {
+          "name": "920_网易蜗牛读书_common.server_fqdn",
+          "conditions": [
+            {
+              "attributeType": "string",
+              "description": "",
+              "attributeName": "common.server_fqdn",
+              "negate_option": false,
+              "items": [
+                {
+                  "item": "$p.du.163.com",
+                  "description": ""
+                },
+                {
+                  "item": "$lbs-qiyu.netease.im",
+                  "description": ""
+                },
+                {
+                  "item": "$wanproxy-hz.127.net",
+                  "description": ""
+                },
+                {
+                  "item": "$lbs.netease.im",
+                  "description": ""
+                },
+                {
+                  "item": "$yaolu.mh.163.com",
+                  "description": ""
+                },
+                {
+                  "item": "$du.163.com",
+                  "description": ""
+                },
+                {
+                  "item": "$crash.163.com",
+                  "description": ""
+                },
+                {
+                  "item": "$easyreadfs.nosdn.127.net",
+                  "description": ""
+                },
+                {
+                  "item": "$push.mh.163.com",
+                  "description": ""
+                },
+                {
+                  "item": "$hubble.netease.com",
+                  "description": ""
+                },
+                {
+                  "item": "$yaolu.yuedu.163.com",
+                  "description": ""
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file