diff --git a/context/output.go b/context/output.go
index aa00244b..066859f2 100644
--- a/context/output.go
+++ b/context/output.go
@@ -56,7 +56,7 @@ func (output *BeegoOutput) Header(key, val string) {
 // Body sets response body content.
 // if EnableGzip, compress content string.
 // it sends out response body directly.
-func (output *BeegoOutput) Body(content []byte) {
+func (output *BeegoOutput) Body(content []byte) error {
 	var encoding string
 	var buf = &bytes.Buffer{}
 	if output.EnableGzip {
@@ -74,7 +74,8 @@ func (output *BeegoOutput) Body(content []byte) {
 		output.Status = 0
 	}
 
-	output.Context.ResponseWriter.Copy(buf)
+	_, err := output.Context.ResponseWriter.Copy(buf)
+	return err
 }
 
 // Cookie sets cookie value via given key.
@@ -185,8 +186,7 @@ func (output *BeegoOutput) JSON(data interface{}, hasIndent bool, coding bool) e
 	if coding {
 		content = []byte(stringsToJSON(string(content)))
 	}
-	output.Body(content)
-	return nil
+	return output.Body(content)
 }
 
 // JSONP writes jsonp to response body.
@@ -211,8 +211,7 @@ func (output *BeegoOutput) JSONP(data interface{}, hasIndent bool) error {
 	callbackContent.WriteString("(")
 	callbackContent.Write(content)
 	callbackContent.WriteString(");\r\n")
-	output.Body(callbackContent.Bytes())
-	return nil
+	return output.Body(callbackContent.Bytes())
 }
 
 // XML writes xml string to response body.
@@ -229,8 +228,7 @@ func (output *BeegoOutput) XML(data interface{}, hasIndent bool) error {
 		http.Error(output.Context.ResponseWriter, err.Error(), http.StatusInternalServerError)
 		return err
 	}
-	output.Body(content)
-	return nil
+	return output.Body(content)
 }
 
 // Download forces response for download file.
diff --git a/controller.go b/controller.go
index a2943d42..b23f7617 100644
--- a/controller.go
+++ b/controller.go
@@ -185,8 +185,7 @@ func (c *Controller) Render() error {
 		return err
 	}
 	c.Ctx.Output.Header("Content-Type", "text/html; charset=utf-8")
-	c.Ctx.Output.Body(rb)
-	return nil
+	return c.Ctx.Output.Body(rb)
 }
 
 // RenderString returns the rendered template string. Do not send out response.