diff --git a/src/server/index.ts b/src/server/index.ts
index 4105cca..ef4cf4d 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -192,15 +192,40 @@ function deriveTargetId(path: string): string | null {
   return m && m[1] !== undefined ? decodeURIComponent(m[1]) : null;
 }
 
-// 系统操作审计：记录全部写操作（POST/PUT/DELETE）+ 登录，供系统管理员审计。
+/**
+ * 关键只读操作的审计标签（GET）。仅记录有审计价值的读操作（导出/查看报告/查看评估详情），
+ * 跳过看板轮询、列表与聚合等高频只读端点（summary/expiring/overdue/accuracy/calibration 等），
+ * 避免审计日志被噪音淹没。返回 null 表示该 GET 不记录。
+ */
+function deriveReadActionLabel(path: string): string | null {
+  if (/^\/api\/assessments\/[^/]+\/report\/export$/.test(path)) return '导出报告';
+  if (/^\/api\/assessments\/[^/]+\/report$/.test(path)) return '查看报告';
+  // 单条评估详情查看（排除聚合/列表类只读端点）。
+  if (/^\/api\/assessments\/[^/]+$/.test(path)) {
+    const id = path.split('/')[3] ?? '';
+    const skip = ['summary', 'expiring', 'overdue', 'run', 'profitability'];
+    if (id !== '' && !skip.includes(id)) return '查看评估详情';
+  }
+  return null;
+}
+
+// 系统操作审计：记录全部写操作（POST/PUT/DELETE）+ 登录 + 关键只读操作（导出/查看报告/查看详情），供系统管理员审计。
 app.use('/api/*', async (c, next) => {
   const method = c.req.method;
   const start = Date.now();
   await next();
-  if (method === 'GET' || method === 'HEAD' || method === 'OPTIONS') return;
+  if (method === 'HEAD' || method === 'OPTIONS') return;
   if (pool === null) return;
   const path = c.req.path;
   if (path === '/api/system-logs') return; // 不记录查询日志自身
+
+  // GET：仅记录有审计价值的关键只读操作，其余（看板轮询/列表/聚合）跳过。
+  let readLabel: string | null = null;
+  if (method === 'GET') {
+    readLabel = deriveReadActionLabel(path);
+    if (readLabel === null) return;
+  }
+
   const payload = (c as import('hono').Context).get('user') as AuthPayload | undefined;
   let actorId = payload?.uid ?? null;
   let actorName = payload?.username ?? null;
@@ -218,7 +243,7 @@ app.use('/api/*', async (c, next) => {
   }
 
   // 业务动作增强：解析目标项目名 + 决策（通过/驳回等）。
-  let action = deriveActionLabel(method, path);
+  let action = method === 'GET' ? readLabel as string : deriveActionLabel(method, path);
   let targetName: string | null = null;
   const targetId = deriveTargetId(path);
   const isAssessmentPath = /^\/api\/assessments\/[^/]+/.test(path) && targetId !== null && targetId !== 'run' && targetId !== 'profitability' && targetId !== 'summary' && targetId !== 'expiring' && targetId !== 'overdue';