diff --git a/tools/goctl/api/gogen/genroutes.go b/tools/goctl/api/gogen/genroutes.go
index 6d9295f7..9770a57e 100644
--- a/tools/goctl/api/gogen/genroutes.go
+++ b/tools/goctl/api/gogen/genroutes.go
@@ -139,12 +139,7 @@ rest.WithPrefix("%s"),`, g.prefix)
 				return err
 			}
 
-			// why we check this, maybe some users set value 1, it's 1ns, not 1s.
-			if duration < timeoutThreshold {
-				return fmt.Errorf("timeout should not less than 1ms, now %v", duration)
-			}
-
-			timeout = fmt.Sprintf("\n rest.WithTimeout(%d * time.Millisecond),", duration.Milliseconds())
+			timeout = fmt.Sprintf("\n rest.WithTimeout(%s),", formatDuration(duration))
 			hasTimeout = true
 		}
 
@@ -211,6 +206,16 @@ rest.WithPrefix("%s"),`, g.prefix)
 	})
 }
 
+func formatDuration(duration time.Duration) string {
+	if duration < time.Microsecond {
+		return fmt.Sprintf("%d * time.Nanosecond", duration.Nanoseconds())
+	}
+	if duration < time.Millisecond {
+		return fmt.Sprintf("%d * time.Microsecond", duration.Microseconds())
+	}
+	return fmt.Sprintf("%d * time.Millisecond", duration.Milliseconds())
+}
+
 func genRouteImports(parentPkg string, api *spec.ApiSpec) string {
 	importSet := collection.NewSet()
 	importSet.AddStr(fmt.Sprintf("\"%s\"", pathx.JoinPackages(parentPkg, contextDir)))
diff --git a/tools/goctl/api/gogen/genroutes_test.go b/tools/goctl/api/gogen/genroutes_test.go
new file mode 100644
index 00000000..9aac4182
--- /dev/null
+++ b/tools/goctl/api/gogen/genroutes_test.go
@@ -0,0 +1,27 @@
+package gogen
+
+import (
+	"testing"
+	"time"
+)
+
+func Test_formatDuration(t *testing.T) {
+	tests := []struct {
+		duration time.Duration
+		expected string
+	}{
+		{0, "0 * time.Nanosecond"},
+		{time.Nanosecond, "1 * time.Nanosecond"},
+		{100 * time.Nanosecond, "100 * time.Nanosecond"},
+		{500 * time.Microsecond, "500 * time.Microsecond"},
+		{2 * time.Millisecond, "2 * time.Millisecond"},
+		{time.Second, "1000 * time.Millisecond"},
+	}
+
+	for _, test := range tests {
+		result := formatDuration(test.duration)
+		if result != test.expected {
+			t.Errorf("formatDuration(%v) = %v; want %v", test.duration, result, test.expected)
+		}
+	}
+}
diff --git a/tools/goctl/internal/version/version.go b/tools/goctl/internal/version/version.go
index ce2225ec..bdbbc628 100644
--- a/tools/goctl/internal/version/version.go
+++ b/tools/goctl/internal/version/version.go
@@ -6,7 +6,7 @@ import (
 )
 
 // BuildVersion is the version of goctl.
-const BuildVersion = "1.7.3"
+const BuildVersion = "1.7.4"
 
 var tag = map[string]int{"pre-alpha": 0, "alpha": 1, "pre-bata": 2, "beta": 3, "released": 4, "": 5}
 
diff --git a/tools/goctl/pkg/parser/api/scanner/scanner.go b/tools/goctl/pkg/parser/api/scanner/scanner.go
index 7aac0056..e1989104 100644
--- a/tools/goctl/pkg/parser/api/scanner/scanner.go
+++ b/tools/goctl/pkg/parser/api/scanner/scanner.go
@@ -29,8 +29,6 @@ const (
 	// string mode end
 )
 
-var missingInput = errors.New("missing input")
-
 type mode int
 
 // Scanner is a lexical scanner.
@@ -629,7 +627,7 @@ func NewScanner(filename string, src interface{}) (*Scanner, error) {
 	}
 
 	if len(data) == 0 {
-		return nil, missingInput
+		return nil, fmt.Errorf("filename: %s,missing input", filename)
 	}
 
 	var runeList []rune
diff --git a/tools/goctl/pkg/parser/api/scanner/scanner_test.go b/tools/goctl/pkg/parser/api/scanner/scanner_test.go
index 5e2f1956..42d20ff4 100644
--- a/tools/goctl/pkg/parser/api/scanner/scanner_test.go
+++ b/tools/goctl/pkg/parser/api/scanner/scanner_test.go
@@ -62,13 +62,13 @@ func TestNewScanner(t *testing.T) {
 		{
 			filename: "foo",
 			src:      "",
-			expected: missingInput,
+			expected: "missing input",
 		},
 	}
 	for _, v := range testData {
 		s, err := NewScanner(v.filename, v.src)
 		if err != nil {
-			assert.Equal(t, v.expected.(error).Error(), err.Error())
+			assert.Contains(t, err.Error(), v.expected)
 		} else {
 			assert.Equal(t, v.expected, s.filename)
 		}