diff --git a/wxcomponents/image-cropper/image-cropper.js b/wxcomponents/image-cropper/image-cropper.js
index 64a67fb..5f0cf29 100644
--- a/wxcomponents/image-cropper/image-cropper.js
+++ b/wxcomponents/image-cropper/image-cropper.js
@@ -65,7 +65,7 @@ Component({
        */
       'export_scale': {
           type: Number,
-          value: 3
+          value: 5
       },
       /**
        * 生成的图片质量0-1
@@ -385,9 +385,11 @@ Component({
            * 设置剪裁框尺寸
            */
           setCutSize(w, h) {
+			  console.log(this.data.img_width)
+			  console.log(this.data.img_height)
               this.setData({
-                  width: w,
-                  height: h
+                  width: this.data.img_width,
+                  height: this.data.img_height
               });
               this._computeCutSize();
           },