diff --git a/src/views/ModelMain.less b/src/views/ModelMain.less
index 9e89c35..dc0d4dc 100644
--- a/src/views/ModelMain.less
+++ b/src/views/ModelMain.less
@@ -320,6 +320,7 @@
               flex: 1;
               background: #e0e0e0;
               display: flex;
+              overflow: hidden;
 
               & > .canvas-container {
                 flex: 1;