fix: group notify db cache

scripts/test/test_db.ts

@@ -0,0 +1,17 @@
+import {Level} from "level"
+
+const db = new Level(process.env["level_db_path"], {valueEncoding: 'json'});
+
+async function getGroupNotify() {
+    let keys = await db.keys().all();
+    let result = []
+    for (const key of keys) {
+        // console.log(key)
+        if (key.startsWith("group_notify_")) {
+            result.push(key)
+        }
+    }
+    return result
+}
+
+getGroupNotify().then(console.log)