diff --git a/applications/777_拍拍贷借款_20240815/meta.json b/applications/777_拍拍贷借款_20240815/meta.json
index b7a4408..248fd45 100644
--- a/applications/777_拍拍贷借款_20240815/meta.json
+++ b/applications/777_拍拍贷借款_20240815/meta.json
@@ -1,18 +1,17 @@
 {
-  "id": "d9df7f3f-3ceb-4ef1-9e2c-b3336bbe2d4a",
+  "id": "856bf7aa-3599-1aba-f6ad-ba8b1602b2b0",
   "name": "777_拍拍贷借款_20240815",
   "longName": "777_拍拍贷借款_20240815",
-  "developer": "",
+  "developer": "上海拍拍贷金融信息服务有限公司",
   "website": "",
   "packageName": {
-    "android": "",
-    "ios": ""
+    "android": "com.ppdai.loan"
   },
   "properties": {
-    "category": "",
-    "subcategory": "",
+    "category": "business-systems",
+    "subcategory": "general-business",
     "content": "unknown",
-    "parentApp": "",
-    "risk": 1
+    "risk": 1,
+    "characteristics": "vulnerability,saas"
   }
 }
\ No newline at end of file
diff --git a/applications/777_拍拍贷借款_20240815/signature.json b/applications/777_拍拍贷借款_20240815/signature.json
index 1107258..5a7ebb6 100644
--- a/applications/777_拍拍贷借款_20240815/signature.json
+++ b/applications/777_拍拍贷借款_20240815/signature.json
@@ -1,3 +1,47 @@
 {
-  "surrogates": []
-}
+  "surrogates": [
+    {
+      "name": "surrogate_1",
+      "description": "",
+      "signatures": [
+        {
+          "name": "777_拍拍贷借款_fqdn_20240815",
+          "conditions": [
+            {
+              "attributeType": "string",
+              "description": "",
+              "attributeName": "common.server_fqdn",
+              "negate_option": false,
+              "items": [
+                {
+                  "item": "$loanapphome.ppdaicdn.com",
+                  "description": ""
+                },
+                {
+                  "item": "$loanapphome.ppdai.com",
+                  "description": ""
+                },
+                {
+                  "item": "$wirelessgateway.ppdai.com",
+                  "description": ""
+                },
+                {
+                  "item": "$gateway.ledsdk.com",
+                  "description": ""
+                },
+                {
+                  "item": "$widgetframe.ppdaicdn.com",
+                  "description": ""
+                },
+                {
+                  "item": "$txgateway.ledsdk.com",
+                  "description": ""
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file