diff --git a/src/views/trials/trials-panel/attachments/self-attachment/index.vue b/src/views/trials/trials-panel/attachments/self-attachment/index.vue
index 66e23a16..d9ecc360 100644
--- a/src/views/trials/trials-panel/attachments/self-attachment/index.vue
+++ b/src/views/trials/trials-panel/attachments/self-attachment/index.vue
@@ -323,6 +323,7 @@ export default {
     },
     // 关闭签名弹窗
     closeSignDialog(isSave) {
+      this.duration = 0
       this.signVisible = false
       if (isSave) {
         this.currentIsConfirm = true