WT 1.1.25+1 training log

lib/library/super_tooltip.dart

@@ -199,7 +199,7 @@ class SuperTooltip {
       onClose!();
     }
 
-    _ballonOverlay!.remove();
+    _ballonOverlay?.remove();
     _backGroundOverlay?.remove();
     isOpen = false;
   }
@@ -308,6 +308,7 @@ class SuperTooltip {
   }
 
   void showBox(BuildContext targetContext) {
+    if (targetContext == null || targetContext.findRenderObject() == null) return;
     final renderBox = targetContext.findRenderObject() as RenderBox;
     var size = renderBox.size;
     print("Size $size");