diff --git a/src/components/UserSelect/index.vue b/src/components/UserSelect/index.vue
index dec1f96f74dff725868024963161422eac5d818f..f5921fec6b91024f52cd80f49973c2c09fcce4c8 100644
--- a/src/components/UserSelect/index.vue
+++ b/src/components/UserSelect/index.vue
@@ -7,6 +7,7 @@
           <el-card shadow="hover">
             <el-input v-model="deptName" placeholder="请输入部门名称" prefix-icon="Search" clearable />
             <el-tree
+              style="max-height: 600px; overflow-y: auto;"
               ref="deptTreeRef"
               class="mt-2"
               node-key="id"
diff --git a/src/views/system/post/index.vue b/src/views/system/post/index.vue
index 289abbdcc157064a0bbebb53620691b5bd0ab7c8..2095c9305acb38d7ee4f85223264f00dec3fd6be 100644
--- a/src/views/system/post/index.vue
+++ b/src/views/system/post/index.vue
@@ -6,6 +6,7 @@
         <el-card shadow="hover">
           <el-input v-model="deptName" placeholder="请输入部门名称" prefix-icon="Search" clearable />
           <el-tree
+            style="max-height: 600px; overflow-y: auto;"
             ref="deptTreeRef"
             class="mt-2"
             node-key="id"
diff --git a/src/views/system/user/index.vue b/src/views/system/user/index.vue
index 68338ee779f36956c7cfc183f193956588b92b5e..b26dec144d3694d3b720682d330d441fc5b63557 100644
--- a/src/views/system/user/index.vue
+++ b/src/views/system/user/index.vue
@@ -6,6 +6,7 @@
         <el-card shadow="hover">
           <el-input v-model="deptName" placeholder="请输入部门名称" prefix-icon="Search" clearable />
           <el-tree
+            style="max-height: 600px; overflow-y: auto;"
             ref="deptTreeRef"
             class="mt-2"
             node-key="id"
diff --git a/src/views/workflow/processDefinition/index.vue b/src/views/workflow/processDefinition/index.vue
index 1d4ca0c7219a71168f2dc3e301526c58065a6199..edce83620020caf4fcc87235cb5f8d8bae1489b3 100644
--- a/src/views/workflow/processDefinition/index.vue
+++ b/src/views/workflow/processDefinition/index.vue
@@ -6,6 +6,7 @@
         <el-card shadow="hover">
           <el-input v-model="categoryName" placeholder="请输入流程分类名" prefix-icon="Search" clearable />
           <el-tree
+            style="max-height: 600px; overflow-y: auto;"
             ref="categoryTreeRef"
             class="mt-2"
             node-key="id"
diff --git a/src/views/workflow/processInstance/index.vue b/src/views/workflow/processInstance/index.vue
index 9265c5245e2377a69d6af010fd2fdbb8cda617ba..14320d3369bba3d271569c45593fe2349b8a2ee5 100644
--- a/src/views/workflow/processInstance/index.vue
+++ b/src/views/workflow/processInstance/index.vue
@@ -6,6 +6,7 @@
         <el-card shadow="hover">
           <el-input v-model="categoryName" placeholder="请输入流程分类名" prefix-icon="Search" clearable />
           <el-tree
+            style="max-height: 600px; overflow-y: auto;"
             ref="categoryTreeRef"
             class="mt-2"
             node-key="id"
diff --git a/src/views/workflow/task/myDocument.vue b/src/views/workflow/task/myDocument.vue
index 18f3c398e4643867282300cff9d6cbab4859b9ff..705dd3fd959715ccfd846283ad54b979f55eec38 100644
--- a/src/views/workflow/task/myDocument.vue
+++ b/src/views/workflow/task/myDocument.vue
@@ -6,6 +6,7 @@
         <el-card shadow="hover">
           <el-input v-model="categoryName" placeholder="请输入流程分类名" prefix-icon="Search" clearable />
           <el-tree
+            style="max-height: 600px; overflow-y: auto;"
             ref="categoryTreeRef"
             class="mt-2"
             node-key="id"