diff --git a/tenant-platform/src/api/bugcollect.ts b/tenant-platform/src/api/bugcollect.ts
index c2ec334..1731ef0 100644
--- a/tenant-platform/src/api/bugcollect.ts
+++ b/tenant-platform/src/api/bugcollect.ts
@@ -162,7 +162,7 @@ export const bugCollectApi = {
   },
 
   issueTrend(id: string | number, params?: { from?: string; to?: string }) {
-    return client.get<{ data: { date: string; count: number; affectedUsers: number }[] }>(
+    return client.get<{ data: { issueId: number; points: { date: string; count: number; affectedUsers: number }[] } }>(
       `/bugcollect/v1/issues/${id}/trend`,
       { params },
     )
diff --git a/tenant-platform/src/views/bug-collect/BugCollectIssueDetail.vue b/tenant-platform/src/views/bug-collect/BugCollectIssueDetail.vue
index ba9b0f9..6b60588 100644
--- a/tenant-platform/src/views/bug-collect/BugCollectIssueDetail.vue
+++ b/tenant-platform/src/views/bug-collect/BugCollectIssueDetail.vue
@@ -241,7 +241,7 @@ async function loadTrend() {
   if (!id || !trendChartRef.value) return
   try {
     const res = await bugCollectApi.issueTrend(id)
-    const trend = res.data.data
+    const trend = res.data.data?.points
     if (!trend || !trendChartRef.value) return
 
     if (!trendChart) trendChart = echarts.init(trendChartRef.value)