diff --git a/src/views/pages/process/task/processdetail/workorder/taskstep/step-overview.vue b/src/views/pages/process/task/processdetail/workorder/taskstep/step-overview.vue
index 26a438fb6820fd38e619068b22d5fa26c6bf0195..69fd2b6368a355fed3f5f86c9fd96f16d940389e 100644
--- a/src/views/pages/process/task/processdetail/workorder/taskstep/step-overview.vue
+++ b/src/views/pages/process/task/processdetail/workorder/taskstep/step-overview.vue
@@ -5,7 +5,7 @@
     </div>
     <div class="activity-step">
       <Timeline>
-        <TimelineItem v-for="(item, index) of stepData" :key="index">
+        <TimelineItem v-for="(item, index) of stepData" :key="item.id">
           <div class="step-title">
             <div class="header-info-box parent">
               <CommonStatus