diff --git a/lib/gradient.js b/lib/gradient.js
index 9394004..f0729e4 100644
--- a/lib/gradient.js
+++ b/lib/gradient.js
@@ -39,8 +39,8 @@
     for (let i = 0; i < colorPer.colors.length; i++) {
       grd.addColorStop(colorPer.percents[i], colorPer.colors[i]);
     }
-    ctx.setFillStyle(grd);
-    ctx.fillRect(-(width / 2), -(height / 2), width, height);
+    ctx.fillStyle = grd;
+    //ctx.fillRect(-(width / 2), -(height / 2), width, height);
   }
 
   function analizeLinear(bg, width, height) {
@@ -93,8 +93,8 @@
     for (let i = 0; i < colorPer.colors.length; i++) {
       grd.addColorStop(colorPer.percents[i], colorPer.colors[i]);
     }
-    ctx.setFillStyle(grd);
-    ctx.fillRect(-(width / 2), -(height / 2), width, height);
+    ctx.fillStyle = grd
+    //ctx.fillRect(-(width / 2), -(height / 2), width, height);
   }
 
   module.exports = { api }
diff --git a/lib/pen.js b/lib/pen.js
index 749ee31..df63baf 100644
--- a/lib/pen.js
+++ b/lib/pen.js
@@ -43,6 +43,7 @@ export default class Painter {
       this.ctx.fillRect(-(width / 2), -(height / 2), width, height);
     } else if (GD.api.isGradient(bg)) {
       GD.api.doGradient(bg, width, height, this.ctx);
+      this.ctx.fillRect(-(width / 2), -(height / 2), width, height);
     } else {
       // 背景填充图片
       this.ctx.drawImage(bg, -(width / 2), -(height / 2), width, height);