update created time

protocol/dubbo/pool.go

@@ -280,6 +280,7 @@ func (p *gettyRPCClientPool) getGettyRpcClient(protocol, addr string) (*gettyRPC
 			conn.close() // -> pool.remove(c)
 			continue
 		}
+		conn.created = now //update created time
 
 		return conn, nil
 	}