diff --git a/admin/controller/upload.js b/admin/controller/upload.js
index 510078f..e2ebbaf 100644
--- a/admin/controller/upload.js
+++ b/admin/controller/upload.js
@@ -34,12 +34,14 @@ class Upload extends Base
             const cfg_width = parseInt(this.site.img_width) || 0;
             const cfg_height = parseInt(this.site.img_height) || 0;
 
+            image.quality(80);
+
             // 限制图片大小
             if((cfg_width && image.getWidth() > cfg_width) || (cfg_height && image.getHeight() > cfg_height)) {
                 if(image.getWidth() > this.site.img_width && image.getWidth() / image.getHeight() > cfg_width / cfg_height) {
-                    await image.resize(cfg_width, jimp.AUTO);
+                    image.resize(cfg_width, jimp.AUTO);
                 } else {
-                    await image.resize(jimp.AUTO, cfg_height);
+                    image.resize(jimp.AUTO, cfg_height);
                 }
                 await image.writeAsync(img_path);
             }
@@ -50,7 +52,7 @@ class Upload extends Base
             const thumb_height = parseInt(this.site.thumb_height) || 0;
             if((thumb_width && image.getWidth() > thumb_width) || (thumb_height && image.getHeight() > thumb_height)) {
                 thumb_path = thumb_path.replace('.' + result.extname, '_lit.' + result.extname);
-                await image.resize(thumb_width, thumb_height);
+                image.cover(thumb_width, thumb_height);
                 await image.writeAsync(thumb_path);
             }
 
@@ -100,8 +102,8 @@ class Upload extends Base
             if(thumb_path != img_path && utils.fs.isFileSync(thumb_path)) {
                 await utils.fs.unlink(thumb_path);
             }
-
             await this.$model.upload.delete({id});
+            
             this.$success('删除成功！', 'index');
         } catch(e) {
             this.$error('删除失败！');