diff --git a/applications/917_小米笔记/meta.json b/applications/917_小米笔记/meta.json
index 12375a2..cb79d73 100644
--- a/applications/917_小米笔记/meta.json
+++ b/applications/917_小米笔记/meta.json
@@ -1,18 +1,17 @@
 {
-  "id": "a62b3c1c-65c3-446d-8650-04daef93fa7a",
+  "id": "6a92ad8b-a288-c500-ee47-c64c1ba4e71c",
   "name": "917_小米笔记",
   "longName": "917_小米笔记",
-  "developer": "",
+  "developer": "小米科技有限责任公司",
   "website": "",
   "packageName": {
-    "android": "",
-    "ios": ""
+    "android": "com.miui.notes"
   },
   "properties": {
-    "category": "",
-    "subcategory": "",
+    "category": "business-systems",
+    "subcategory": "general-business",
     "content": "unknown",
-    "parentApp": "",
-    "risk": 1
+    "risk": 1,
+    "characteristics": "saas,widely-used"
   }
 }
\ No newline at end of file
diff --git a/applications/917_小米笔记/signature.json b/applications/917_小米笔记/signature.json
index 1107258..044219c 100644
--- a/applications/917_小米笔记/signature.json
+++ b/applications/917_小米笔记/signature.json
@@ -1,3 +1,35 @@
 {
-  "surrogates": []
-}
+  "surrogates": [
+    {
+      "name": "surrogate_1",
+      "description": "",
+      "signatures": [
+        {
+          "name": "917_小米笔记_common.server_fqdn",
+          "conditions": [
+            {
+              "attributeType": "string",
+              "description": "",
+              "attributeName": "common.server_fqdn",
+              "negate_option": false,
+              "items": [
+                {
+                  "item": "$privacy.mi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$sdkconfig.ad.xiaomi.com",
+                  "description": ""
+                },
+                {
+                  "item": "$i.mi.com",
+                  "description": ""
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file