diff --git a/frontend/ops_vue_js/src/stores/users.js b/frontend/ops_vue_js/src/stores/users.js
index a100a27..0efaf48 100644
--- a/frontend/ops_vue_js/src/stores/users.js
+++ b/frontend/ops_vue_js/src/stores/users.js
@@ -5,8 +5,6 @@ import { ref } from 'vue'
 import { usersApi } from '@/api/users';
 
 const usersInfo = ref([]);
-// 正在请求中的 userID 集合，避免重复发请求
-const pendingFetch = new Set();
 
 export const useUsersStore = defineStore('users', () => {
 
@@ -15,8 +13,8 @@ export const useUsersStore = defineStore('users', () => {
     }
 
     function fetchUser(userID) {
-        if (pendingFetch.has(userID)) return
-        pendingFetch.add(userID)
+        // 缓存命中则不再请求（依赖 usersInfo 的响应式）
+        if (getUserFromUserID(userID)) return
         usersApi.getUserInfoFromUserID(userID).then((r) => {
             if (r.errCode == 0 && r.raw.err_code == 0 && r.raw.return?.userinfo) {
                 // 防止并发写入重复数据
@@ -24,8 +22,6 @@ export const useUsersStore = defineStore('users', () => {
                     usersInfo.value.push(r.raw.return.userinfo)
                 }
             }
-        }).finally(() => {
-            pendingFetch.delete(userID)
         })
     }