edit

assets/html/manage.html

@@ -231,13 +231,20 @@
               2:3
             </span>
           </button>
-         </div><div class="btn-group">
+         
           <button type="button" class="btn btn-primary" data-method="aspectRatio" title="Reset" data-value="1:1">
             <span class="docs-tooltip" data-toggle="tooltip" title="1:1">
               1:1
             </span>
           </button>
         </div>
+        <div class="btn-group">
+          <button type="button" class="btn btn-primary" data-method="aspectRatio" title="Reset" data-value="NAN">
+            <span class="docs-tooltip" data-toggle="tooltip" title="自定义">
+              自定义
+            </span>
+          </button>
+        </div>
 
         <div class="btn-group">
           <button type="button" class="btn btn-primary" data-method="save" title="save">