对接关闭成功，准备对接agora_call的有关内容，这里还好。记得要操作redis以及本地的string+1.5

src/handles/redis.rs

@@ -40,8 +40,8 @@ pub async fn insert_this_connection(
         .get_connection()
         .expect("Failed to get Redis connection");
 
-    let device_id = params.get("deviceID").cloned().unwrap_or_default();
-    let from_name = params.get("fromName").cloned().unwrap_or_default();
+    let device_id = params.get("deviceID").cloned().unwrap_or("".to_string());
+    let from_name = params.get("fromName").cloned().unwrap_or("".to_string());
 
     // 按照结构体OnlineUserMessage的格式构造用户信息字符串，用逗号拼接即可
     // callState,channelID,deviceID,fromID,hasCamera,hasMike,isHost,userCallGroup,fromName