解决Dispose错误

UAS-MES/FunctionCode/Make/Make_PalletWeigh.cs

@@ -64,6 +64,16 @@ namespace UAS_MES.Make
             BaseUtil.SetFormCenter(stw);
             stw.ShowDialog();
         }
+
+        protected override void OnVisibleChanged(EventArgs e)
+        {
+            base.OnVisibleChanged(e);
+            if (!IsHandleCreated)
+            {
+                this.Close();
+            }
+        }
+
         private void InPrint()
         {
             try