diff --git a/src/components/treeGrid/index.vue b/src/components/treeGrid/index.vue
index 07c2132..12dc208 100644
--- a/src/components/treeGrid/index.vue
+++ b/src/components/treeGrid/index.vue
@@ -72,6 +72,7 @@ export default {
 
   .table-scroll-container {
     width: 100%;
+    height: 100%;
     overflow: auto;
     overflow-y: visible;
     /* 横向滚动条始终可见，不需要滚动到底 */