diff --git a/cmd/internal/build/build.go b/cmd/internal/build/build.go
index 0888d7c5..7b9890bd 100644
--- a/cmd/internal/build/build.go
+++ b/cmd/internal/build/build.go
@@ -40,11 +40,9 @@ func init() {
 }
 
 func runCmd(cmd *base.Command, args []string) {
-	defer func() {
-		recover()
-	}()
+
 	if err := cmd.Flag.Parse(args); err != nil {
-		panic(err)
+		return
 	}
 
 	conf := build.NewDefaultConf(build.ModeBuild)
diff --git a/cmd/internal/clean/clean.go b/cmd/internal/clean/clean.go
index b7b2d0c8..907ec849 100644
--- a/cmd/internal/clean/clean.go
+++ b/cmd/internal/clean/clean.go
@@ -35,11 +35,9 @@ func init() {
 }
 
 func runCmd(cmd *base.Command, args []string) {
-	defer func() {
-		recover()
-	}()
+
 	if err := cmd.Flag.Parse(args); err != nil {
-		panic(err)
+		return
 	}
 
 	conf := build.NewDefaultConf(0)
diff --git a/cmd/internal/install/install.go b/cmd/internal/install/install.go
index d5758b67..9e17a986 100644
--- a/cmd/internal/install/install.go
+++ b/cmd/internal/install/install.go
@@ -39,11 +39,9 @@ func init() {
 }
 
 func runCmd(cmd *base.Command, args []string) {
-	defer func() {
-		recover()
-	}()
+
 	if err := cmd.Flag.Parse(args); err != nil {
-		panic(err)
+		return
 	}
 
 	conf := build.NewDefaultConf(build.ModeInstall)
diff --git a/cmd/internal/run/run.go b/cmd/internal/run/run.go
index 2613d0d1..654044e5 100644
--- a/cmd/internal/run/run.go
+++ b/cmd/internal/run/run.go
@@ -61,11 +61,9 @@ func runCmpTest(cmd *base.Command, args []string) {
 }
 
 func runCmdEx(cmd *base.Command, args []string, mode build.Mode) {
-	defer func() {
-		recover()
-	}()
+
 	if err := cmd.Flag.Parse(args); err != nil {
-		panic(err)
+		return
 	}
 
 	conf := build.NewDefaultConf(mode)
diff --git a/cmd/internal/test/test.go b/cmd/internal/test/test.go
index 90953e68..64e49927 100644
--- a/cmd/internal/test/test.go
+++ b/cmd/internal/test/test.go
@@ -21,11 +21,9 @@ func init() {
 }
 
 func runCmd(cmd *base.Command, args []string) {
-	defer func() {
-		recover()
-	}()
+
 	if err := cmd.Flag.Parse(args); err != nil {
-		panic(err)
+		return
 	}
 
 	conf := build.NewDefaultConf(build.ModeTest)