diff --git a/applications/907_学浪/meta.json b/applications/907_学浪/meta.json
index f542746..d6cff10 100644
--- a/applications/907_学浪/meta.json
+++ b/applications/907_学浪/meta.json
@@ -1,18 +1,18 @@
 {
-  "id": "4d65b6bd-5f9a-4875-b069-4e39b2c39384",
+  "id": "75c0f556-c29b-d6a5-7b31-7b914cefad40",
   "name": "907_学浪",
   "longName": "907_学浪",
-  "developer": "",
-  "website": "",
+  "developer": "北京因材施教科技有限公司",
+  "website": "https://www.xuelangapp.com/",
   "packageName": {
-    "android": "",
-    "ios": ""
+    "android": "com.bytedance.ep.android",
+    "ios": "com.bytedance.ep.ios"
   },
   "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/907_学浪/signature.json b/applications/907_学浪/signature.json
index 1107258..d764a81 100644
--- a/applications/907_学浪/signature.json
+++ b/applications/907_学浪/signature.json
@@ -1,3 +1,67 @@
 {
-  "surrogates": []
-}
+  "surrogates": [
+    {
+      "name": "surrogate_1",
+      "description": "",
+      "signatures": [
+        {
+          "name": "907_学浪_common.server_fqdn",
+          "conditions": [
+            {
+              "attributeType": "string",
+              "description": "",
+              "attributeName": "common.server_fqdn",
+              "negate_option": false,
+              "items": [
+                {
+                  "item": "$link.wtturl.cn",
+                  "description": ""
+                },
+                {
+                  "item": "$student-api-lf.iyincaishijiao.com",
+                  "description": ""
+                },
+                {
+                  "item": "$p3-ep-sign.iyincaishijiao.com",
+                  "description": ""
+                },
+                {
+                  "item": "$bytedance.larkoffice.com",
+                  "description": ""
+                },
+                {
+                  "item": "$log.zijieapi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$student-api.iyincaishijiao.com",
+                  "description": ""
+                },
+                {
+                  "item": "$ib.snssdk.com",
+                  "description": ""
+                },
+                {
+                  "item": "$classroom.iyincaishijiao.com",
+                  "description": ""
+                },
+                {
+                  "item": "$doc.iyincaishijiao.com",
+                  "description": ""
+                },
+                {
+                  "item": "$student-api-hl.iyincaishijiao.com",
+                  "description": ""
+                },
+                {
+                  "item": "$gecko.zijieapi.com",
+                  "description": ""
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file