diff --git a/lib/node/subtitle.js b/lib/node/subtitle.js
index ea384233..b0efc050 100755
--- a/lib/node/subtitle.js
+++ b/lib/node/subtitle.js
@@ -20,7 +20,7 @@ const FFTween = require('../animate/tween');
 const DateUtil = require('../utils/date');
 const Timeline = require('../utils/timeline');
 const Materials = require('../utils/materials');
-const Utils = require('../utils/Utils');
+const Utils = require('../utils/utils');
 const {registerFont} = require('node-canvas-webgl');
 
 const DIS = 40;
diff --git a/lib/node/text.js b/lib/node/text.js
index f3426cdc..37175526 100755
--- a/lib/node/text.js
+++ b/lib/node/text.js
@@ -15,7 +15,7 @@
  */
 const FFNode = require('./node');
 const Pool = require('../core/pool');
-const Utils = require('../utils/Utils');
+const Utils = require('../utils/utils');
 const {Label} = require('spritejs');
 const {registerFont} = require('node-canvas-webgl');
 
diff --git a/package.json b/package.json
index 46ad0abb..dd46fcc9 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ffcreator",
-  "version": "1.3.8",
+  "version": "1.3.9",
   "description": "FFCreator is a lightweight and flexible short video production library",
   "main": "lib/index.js",
   "scripts": {