diff --git a/fsutil/operate.go b/fsutil/operate.go
index ea59c9494..8c99110d8 100644
--- a/fsutil/operate.go
+++ b/fsutil/operate.go
@@ -262,14 +262,14 @@ func Unzip(archive, targetDir string) (err error) {
 
 		targetFile, err := os.OpenFile(fullPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, file.Mode())
 		if err != nil {
-			fileReader.Close()
+			_ = fileReader.Close()
 			return err
 		}
 
 		_, err = io.Copy(targetFile, fileReader)
 
 		// close all
-		fileReader.Close()
+		_ = fileReader.Close()
 		targetFile.Close()
 
 		if err != nil {
diff --git a/maputil/data.go b/maputil/data.go
index 7a2d9edb1..131bce33f 100644
--- a/maputil/data.go
+++ b/maputil/data.go
@@ -10,17 +10,6 @@ import (
 // Data an map data type
 type Data map[string]interface{}
 
-// Value get from the data map
-func (d Data) Value(key string) (interface{}, bool) {
-	val, ok := d[key]
-	return val, ok
-}
-
-// Get value from the data map
-func (d Data) Get(key string) interface{} {
-	return d[key]
-}
-
 // Set value to the data map
 func (d Data) Set(key string, val interface{}) {
 	d[key] = val
@@ -37,6 +26,31 @@ func (d Data) Emtpy() bool {
 	return len(d) == 0
 }
 
+// Get value from the data map
+func (d Data) Get(key string) interface{} {
+	return d[key]
+}
+
+// Value get from the data map
+func (d Data) Value(key string) (interface{}, bool) {
+	val, ok := d[key]
+	return val, ok
+}
+
+// GetByPath get value from the data map by path. eg: top.sub
+func (d Data) GetByPath(path string) (interface{}, bool) {
+	return GetByPath(path, d)
+}
+
+// Default get value from the data map with default value
+func (d Data) Default(key string, def interface{}) interface{} {
+	val, ok := d[key]
+	if ok {
+		return val
+	}
+	return def
+}
+
 // Int value get
 func (d Data) Int(key string) int {
 	val, ok := d[key]
@@ -44,7 +58,7 @@ func (d Data) Int(key string) int {
 		return 0
 	}
 
-	return mathutil.MustInt(val)
+	return mathutil.QuietInt(val)
 }
 
 // Int64 value get
@@ -54,7 +68,7 @@ func (d Data) Int64(key string) int64 {
 		return 0
 	}
 
-	return mathutil.MustInt64(val)
+	return mathutil.QuietInt64(val)
 }
 
 // Str value get by key
@@ -63,7 +77,7 @@ func (d Data) Str(key string) string {
 	if !ok {
 		return ""
 	}
-	return strutil.MustString(val)
+	return strutil.QuietString(val)
 }
 
 // Bool value get
@@ -82,15 +96,6 @@ func (d Data) Bool(key string) bool {
 	return false
 }
 
-// Default get value from the data map with default value
-func (d Data) Default(key string, def interface{}) interface{} {
-	val, ok := d[key]
-	if ok {
-		return val
-	}
-	return def
-}
-
 // Strings get []string value
 func (d Data) Strings(key string) []string {
 	val, ok := d[key]
@@ -111,7 +116,7 @@ func (d Data) StringsByStr(key string) []string {
 		return nil
 	}
 
-	str := strutil.MustString(val)
+	str := strutil.QuietString(val)
 	return strings.Split(str, ",")
 }
 
diff --git a/maputil/data_test.go b/maputil/data_test.go
index 97bdd87af..915aeba71 100644
--- a/maputil/data_test.go
+++ b/maputil/data_test.go
@@ -33,6 +33,10 @@ func TestData(t *testing.T) {
 	mp.Set("new", "val1")
 	assert.Equal(t, "val1", mp.Str("new"))
 
+	val, ok := mp.Value("new")
+	assert.True(t, ok)
+	assert.Equal(t, "val1", val)
+
 	// not exists
 	assert.False(t, mp.Bool("notExists"))
 	assert.Equal(t, 0, mp.Int("notExists"))
diff --git a/maputil/maputil.go b/maputil/maputil.go
index 0a557c107..54c79300a 100644
--- a/maputil/maputil.go
+++ b/maputil/maputil.go
@@ -52,7 +52,7 @@ func GetByPath(key string, mp map[string]interface{}) (val interface{}, ok bool)
 			if item, ok = tData[k]; !ok {
 				return
 			}
-		case []interface{}: // is an slice
+		case []interface{}: // is a slice
 			if item, ok = getBySlice(k, tData); !ok {
 				return
 			}