diff --git a/applications/957_粉笔考研_20241025/meta.json b/applications/957_粉笔考研_20241025/meta.json
index 15f2912..9b88a20 100644
--- a/applications/957_粉笔考研_20241025/meta.json
+++ b/applications/957_粉笔考研_20241025/meta.json
@@ -1,18 +1,18 @@
 {
-  "id": "47e29c05-cdec-432c-af32-07cfa354719d",
+  "id": "3a42e4a0-6e2d-88f7-2565-9c5f7eebb200",
   "name": "957_粉笔考研_20241025",
   "longName": "957_粉笔考研_20241025",
-  "developer": "",
-  "website": "",
+  "developer": "北京粉笔蓝天科技有限公司",
+  "website": "http://fenbi.com",
   "packageName": {
-    "android": "",
-    "ios": ""
+    "android": "com.fenbi.android.kyzz",
+    "ios": "com.fenbi.ape.kyzz"
   },
   "properties": {
-    "category": "",
-    "subcategory": "",
+    "category": "business-systems",
+    "subcategory": "database",
     "content": "unknown",
-    "parentApp": "",
-    "risk": 1
+    "risk": 1,
+    "characteristics": "saas"
   }
 }
\ No newline at end of file
diff --git a/applications/957_粉笔考研_20241025/signature.json b/applications/957_粉笔考研_20241025/signature.json
index 1107258..55e6681 100644
--- a/applications/957_粉笔考研_20241025/signature.json
+++ b/applications/957_粉笔考研_20241025/signature.json
@@ -1,3 +1,55 @@
 {
-  "surrogates": []
-}
+  "surrogates": [
+    {
+      "name": "surrogate_1",
+      "description": "",
+      "signatures": [
+        {
+          "name": "957_粉笔考研_fqdn_20241025",
+          "conditions": [
+            {
+              "attributeType": "string",
+              "description": "",
+              "attributeName": "common.server_fqdn",
+              "negate_option": false,
+              "items": [
+                {
+                  "item": "$data-api.fenbi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$www.fenbi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$ke.fenbi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$algo.fenbi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$schoolapi.fenbi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$login.fenbi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$market-api.fenbi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$tiku.fenbi.com",
+                  "description": ""
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file