修复伦理与启动管理的显示问题

frontend/src/views/admin/AuditLogs.vue

@@ -101,6 +101,23 @@ import { exportAuditCsv } from "../../audit/export/auditExportService";
 import { logAudit } from "../../audit";
 import { displayDateTime } from "../../utils/display";
 
+const buildLogKey = (log: any) => {
+  if (log.id) return `id:${log.id}`;
+  return `${log.action || log.eventType || "event"}-${log.entity_id || log.entityId || ""}-${log.created_at || log.timestamp || ""}`;
+};
+
+const dedupeLogs = (list: any[]) => {
+  const seen = new Set<string>();
+  const result: any[] = [];
+  list.forEach((log) => {
+    const key = buildLogKey(log);
+    if (seen.has(key)) return;
+    seen.add(key);
+    result.push(log);
+  });
+  return result;
+};
+
 const study = useStudyStore();
 const auth = useAuthStore();
 const router = useRouter();
@@ -163,7 +180,7 @@ const loadLogs = async () => {
     const { data } = await fetchAuditLogs(study.currentStudy.id, params);
     const items = Array.isArray(data) ? data : (data as any).items || [];
     const local = loadLocalLogs();
-    const merged = [...items, ...local];
+    const merged = dedupeLogs([...items, ...local]);
     rawLogs.value = merged;
     total.value = (data as any).total || merged.length;
     enrichLogs();
@@ -233,7 +250,7 @@ const fetchAllForExport = async () => {
     const { data } = await fetchAuditLogs(study.currentStudy.id, params);
     const items = Array.isArray(data) ? data : (data as any).items || [];
     const local = loadLocalLogs();
-    const merged = [...items, ...local];
+    const merged = dedupeLogs([...items, ...local]);
     const userMap = users.value.reduce<Record<string, string>>((acc, cur) => {
       acc[cur.id] = cur.username;
       return acc;

frontend/src/views/admin/ProjectDetail.vue

@@ -21,7 +21,7 @@
         <el-descriptions-item label="项目名称">{{ project.name }}</el-descriptions-item>
         <el-descriptions-item label="申办方">{{ project.sponsor || "—" }}</el-descriptions-item>
         <el-descriptions-item label="状态">{{ statusLabel(project.status) }}</el-descriptions-item>
-        <el-descriptions-item label="创建时间">{{ project.created_at || "—" }}</el-descriptions-item>
+        <el-descriptions-item label="创建时间">{{ displayDateTime(project.created_at) }}</el-descriptions-item>
       </el-descriptions>
       <el-skeleton v-else :rows="4" animated />
     </el-card>
@@ -48,6 +48,7 @@ import { fetchStudyDetail } from "../../api/studies";
 import type { Study } from "../../types/api";
 import AttachmentList from "../../components/attachments/AttachmentList.vue";
 import { useStudyStore } from "../../store/study";
+import { displayDateTime } from "../../utils/display";
 
 const route = useRoute();
 const router = useRouter();