方法修改

designer-base/src/main/java/com/fr/design/style/background/gradient/GradientBar.java

@@ -343,8 +343,7 @@ public class GradientBar extends AbstractComponentPopBox implements UIObserver,
                 index = 0;
             }
         }
-        boolean x = e.getX() <= max && e.getX() >= min;
+        if (e.getX() <= max && e.getX() >= min && e.getY() < MAX_VERTICAL) {
-        if (x && e.getY() < MAX_VERTICAL) {
             list.get(index).setX(e.getX());
         }
     }