diff --git a/src/views/workflow/extension/form/helper/WorkflowFormDesign.vue b/src/views/workflow/extension/form/helper/WorkflowFormDesign.vue
index c4bb8c7..8d78c2c 100644
--- a/src/views/workflow/extension/form/helper/WorkflowFormDesign.vue
+++ b/src/views/workflow/extension/form/helper/WorkflowFormDesign.vue
@@ -4,7 +4,7 @@
               :canFullscreen="false"
               @register="registerModal"
               @ok="handleSubmit"
-              @visible-change="handleClose"
+              @visible-change="handleVisibleChange"
   >
     <div id="formDesign"/>
   </BasicModal>
@@ -30,7 +30,7 @@
 
   const formDesignProps = {
     undoRedo: false,
-    style: { height: 'calc(100vh - 133px)' },
+    style: { height: 'calc(100vh - 160px)' },
     toolbar: ['clear', 'preview']
   };
   const emit = defineEmits(['success', 'register']);
@@ -58,10 +58,8 @@
     setModalProps(props);
   });
 
-  function handleClose(vis:boolean) {
-    if (!vis) {
-      state.formDesignApp.unmount();
-    }
+  function handleVisibleChange(visible: boolean) {
+    !visible && state.formDesignApp.unmount();
   }
 
   /** 处理弹出框提交 */