fix json encode

entry/http/context.go

@@ -122,6 +122,7 @@ func (ctx *Context) Param(k string) string {
 func (ctx *Context) json(res responsePayload) (err error) {
 	ctx.Response().Header().Set("Content-Type", "application/json")
 	encoder := json.NewEncoder(ctx.Response())
+	encoder.SetEscapeHTML(false)
 	if strings.HasPrefix(ctx.Request().Header.Get("User-Agent"), "curl") {
 		encoder.SetIndent("", "\t")
 	}