diff --git a/src/cmd/frps/control.go b/src/cmd/frps/control.go
index 15620ff6..eb772189 100644
--- a/src/cmd/frps/control.go
+++ b/src/cmd/frps/control.go
@@ -95,7 +95,7 @@ func controlWorker(c *conn.Conn) {
 
 	s, ok := server.ProxyServers[cliReq.ProxyName]
 	if !ok {
-		log.Warn("ProxyName [%s], is not exist now", cliReq.ProxyName)
+		log.Warn("ProxyName [%s] does not exist now", cliReq.ProxyName)
 		return
 	}