diff --git a/g/os/gview/gview_buildin.go b/g/os/gview/gview_buildin.go
index f9188cccd..3ee710bbe 100644
--- a/g/os/gview/gview_buildin.go
+++ b/g/os/gview/gview_buildin.go
@@ -26,7 +26,7 @@ func (view *View) funcInclude(file string, data...map[string]interface{}) string
     if err != nil {
         return err.Error()
     }
-    return string(content)
+    return content
 }
 
 // Build-in template function: text
diff --git a/g/text/gstr/gstr.go b/g/text/gstr/gstr.go
index b8e04a528..e461d2de7 100644
--- a/g/text/gstr/gstr.go
+++ b/g/text/gstr/gstr.go
@@ -332,14 +332,14 @@ func ContainsAny(s, chars string) bool {
 func CountWords(str string) map[string]int {
     m      := make(map[string]int)
     buffer := bytes.NewBuffer(nil)
-    for _, rune := range []rune(str) {
-        if unicode.IsSpace(rune) {
+    for _, r := range []rune(str) {
+        if unicode.IsSpace(r) {
             if buffer.Len() > 0 {
                 m[buffer.String()]++
                 buffer.Reset()
             }
         } else {
-            buffer.WriteRune(rune)
+            buffer.WriteRune(r)
         }
     }
     if buffer.Len() > 0 {
@@ -349,8 +349,6 @@ func CountWords(str string) map[string]int {
 }
 
 // CountChars returns information about chars' count used in a string.
-//
-// 返回字符串中字符的使用情况。
 func CountChars(str string, noSpace...bool) map[string]int {
     m := make(map[string]int)
     countSpace := true
@@ -484,10 +482,7 @@ func Implode(glue string, pieces []string) string {
 
 // Chr return the ascii string of a number(0-255).
 func Chr(ascii int) string {
-	if ascii > 255 {
-		return ""
-	}
-    return string([]byte{byte(ascii)})
+    return string([]byte{byte(ascii%256)})
 }
 
 // Ord converts the first byte of a string to a value between 0 and 255.