图片尺寸规则修改

src/components/IM/img-size.vue

@@ -53,7 +53,7 @@ export default {
                 lh = this.imgHeight;
             }
         } else if(this.imgProportion == 0.6) {
-            lh = 320;
+            lh = this.imgHeight;
             lw = lh * 0.6;
         }else {
             if(this.imgHeight > 320) {