handle error

src/common/mainloop/interserver.rs

@@ -147,8 +147,8 @@ where
     async_std::task::spawn(async move {
         loop {
             info!("login send loop");
-            let msg = output_loop_receiver.recv().await.unwrap();
-
+            match output_loop_receiver.recv().await {
+                Ok(msg) => {
                     let payload = serde_json::to_string(&msg);
                     if let Ok(payload) = payload {
                         let len_bytes = u32::to_le_bytes(payload.len() as u32);
@@ -162,6 +162,11 @@ where
                             Err(err) => warn!("send failed: {:?}", err),
                         }
                     }
+                },
+                Err(err) => {
+                    warn!("error in send_loop: {:?}, {:?}", server_id, err)
+                }
+            }
         }
     });
 }