diff --git a/src/views/plugin/workflow/process/components/category.vue b/src/views/plugin/workflow/process/components/category.vue
index 5e3c655..1bb6f96 100644
--- a/src/views/plugin/workflow/process/components/category.vue
+++ b/src/views/plugin/workflow/process/components/category.vue
@@ -1,7 +1,9 @@
 <template>
-  <avue-tree :option="option"
-             :data="data"
-             @node-click="handleNodeClick"></avue-tree>
+  <div class="wf-avue-tree">
+    <avue-tree :option="option"
+               :data="data"
+               @node-click="handleNodeClick"></avue-tree>
+  </div>
 </template>
 
 <script>
@@ -43,5 +45,13 @@ export default {
 }
 </script>
 
-<style>
+<style lang="scss">
+.wf-avue-tree {
+  height: 90%;
+  overflow-y: auto;
+  
+  .avue-tree {
+    height: auto;
+  }
+}
 </style>
\ No newline at end of file