diff --git a/cmd/server.go b/cmd/server.go
index d6d2e40..4b74218 100644
--- a/cmd/server.go
+++ b/cmd/server.go
@@ -18,7 +18,7 @@ var serverCmd = &cobra.Command{
 func init() {
 	// serverCmd.Flags().IntVarP(&config.GocConfig.Port, "port", "", 7777, "listen port to start a coverage host center")
 	// serverCmd.Flags().StringVarP(&config.GocConfig.StorePath, "storepath", "", "goc.store", "the file to save all goc server information")
-	serverCmd.Flags().StringVarP(&config.GocConfig.Host, "host", "", "0.0.0.0:7777", "specify the host of the goc server")
+	serverCmd.Flags().StringVarP(&config.GocConfig.Host, "host", "", "127.0.0.1:7777", "specify the host of the goc server")
 	rootCmd.AddCommand(serverCmd)
 }
 
diff --git a/pkg/flag/build_flags.go b/pkg/flag/build_flags.go
index 7b5986e..bbe17ff 100644
--- a/pkg/flag/build_flags.go
+++ b/pkg/flag/build_flags.go
@@ -85,11 +85,17 @@ func BuildCmdArgsParse(cmd *cobra.Command, args []string) []string {
 func findAndDelGocFlag(a []string, x string) []string {
 	new := make([]string, 0, len(a))
 	x = "--" + x
-	for _, v := range a {
-		if v == x {
+	for i := 0; i < len(a); i++ {
+		if a[i] == "--debug" {
+			// debug 是 bool，就一个元素
+			continue
+		} else if a[i] == x {
+			// 其他 goc flag 都是两个元素
+			i++
 			continue
 		} else {
-			new = append(new, v)
+			// 剩下的是 go flag
+			new = append(new, a[i])
 		}
 	}