diff --git a/web/src/pages/app/layout.ts b/web/src/pages/app/layout.ts
index f9cc8e9..bc481cf 100644
--- a/web/src/pages/app/layout.ts
+++ b/web/src/pages/app/layout.ts
@@ -10,6 +10,7 @@ export async function renderApp() {
   const currentUser = getCurrentUser();
   const isAdmin = currentUser?.role === "admin";
   const isFixedLogin = document.body.dataset.authMode === "fixed";
+  const canManageUsers = isAdmin && !isFixedLogin;
   document.querySelector<HTMLDivElement>("#app")!.innerHTML = `
     <div class="app-shell">
       <header class="topbar">
@@ -32,7 +33,7 @@ export async function renderApp() {
         <main class="content-pane">
           <div class="content-toolbar">
             <div class="content-actions">
-              ${isAdmin ? `<button id="manageUsersBtn" type="button">人员权限</button>` : ""}
+              ${canManageUsers ? `<button id="manageUsersBtn" type="button">人员权限</button>` : ""}
               ${isAdmin ? `<button id="manageDictionariesBtn" type="button">字典维护</button>` : ""}
               ${isAdmin ? `<button id="addProcessModelBtn" type="button" hidden>上传工艺模型</button>` : ""}
               ${isAdmin ? `<button id="addModelBtn1" class="primary-btn" type="button" hidden>增加模型</button>` : ""}