diff --git a/collection/opendb-sign-in/collection.json b/collection/opendb-sign-in/collection.json
index 71442dd..60b0e16 100644
--- a/collection/opendb-sign-in/collection.json
+++ b/collection/opendb-sign-in/collection.json
@@ -1,40 +1,43 @@
-{
-	"bsonType": "object",
-	"required": [],
-	"permission": {
-		"read": "auth.uid == doc.user_id",
-		"create": false,
-		"update": false,
-		"delete": false
-	},
-	"properties": {
-		"_id": {
-			"description": "ID，系统自动生成"
-		},
-		"user_id":{
-			"forceDefaultValue":{
-				"$env":"uid"
-			}
-		},
-		"date":{
-			"bsonType":"timestamp",
-			"description":"签到的日期时间戳",
-			"permission":{
-				"write":false
-			}
-		},
-		"create_date":{
-			"bsonType":"timestamp",
-			"description":"签到的时间戳",
-			"forceDefaultValue":{
-				"$env":"now"
-			}
-		},
-		"ip":{
-			"bsonType":"string",
-			"forceDefaultValue":{
-				"$env":"clientIP"
-			}
-		}
-	}
-}
\ No newline at end of file
+{
+  "schema": {
+    "bsonType": "object",
+    "required": [],
+    "permission": {
+      "read": "auth.uid == doc.user_id",
+      "create": false,
+      "update": false,
+      "delete": false
+    },
+    "properties": {
+      "_id": {
+        "description": "ID，系统自动生成"
+      },
+      "user_id": {
+        "forceDefaultValue": {
+          "$env": "uid"
+        }
+      },
+      "date": {
+        "bsonType": "timestamp",
+        "description": "签到的日期时间戳",
+        "permission": {
+          "write": false
+        }
+      },
+      "create_date": {
+        "bsonType": "timestamp",
+        "description": "签到的时间戳",
+        "forceDefaultValue": {
+          "$env": "now"
+        }
+      },
+      "ip": {
+        "bsonType": "string",
+        "forceDefaultValue": {
+          "$env": "clientIP"
+        }
+      }
+    }
+  },
+  "index": []
+}