diff --git a/lawrisk/api/v2.py b/lawrisk/api/v2.py
index 69866a6..963a2e7 100644
--- a/lawrisk/api/v2.py
+++ b/lawrisk/api/v2.py
@@ -275,6 +275,7 @@ def admin_create_user():
         return jsonify({"success": False, "message": "用户名和密码均不能为空"}), 400
     parent_department_id = (payload.get("parent_department_id") or "").strip() or None
     service_department_id = (payload.get("service_department_id") or "").strip() or None
+    department_phone = (payload.get("department_phone") or "").strip() or None
 
     # 如果未显式绑定部门，则为该用户创建一个同名单位，并按父级决定层级
     created_department: Optional[Dict[str, Any]] = None
@@ -285,6 +286,7 @@ def admin_create_user():
             created_department = create_service_department(
                 name=dept_name,
                 code=dept_code,
+                phone=department_phone,
                 parent_id=parent_department_id,
             )
             service_department_id = created_department.get("id")
@@ -301,6 +303,7 @@ def admin_create_user():
             service_department_id=service_department_id,
             department_role=payload.get("department_role"),
             parent_department_id=parent_department_id,
+            service_department_phone=department_phone,
         )
         return jsonify({"success": True, "data": {"user": user, "department": created_department}})
     except ValueError as exc:
diff --git a/lawrisk/services/auth_service.py b/lawrisk/services/auth_service.py
index fefcccf..bb4f0a6 100644
--- a/lawrisk/services/auth_service.py
+++ b/lawrisk/services/auth_service.py
@@ -419,6 +419,7 @@ def create_user(
     service_department_id: Optional[str] = None,
     department_role: Optional[str] = None,
     parent_department_id: Optional[str] = None,
+    service_department_phone: Optional[str] = None,
 ) -> Dict[str, Any]:
     username_clean = (username or "").strip().lower()
     if not username_clean or not password:
@@ -433,6 +434,7 @@ def create_user(
             created = lic_repo.create_service_department(
                 name=dept_name,
                 code=dept_code,
+                phone=(service_department_phone or "").strip() or None,
                 parent_id=(parent_department_id or "").strip() or None,
             )
             dept_token = created.get("id")
diff --git a/static/super_admin.html b/static/super_admin.html
index 11979cd..e904acf 100644
--- a/static/super_admin.html
+++ b/static/super_admin.html
@@ -1211,6 +1211,9 @@
                 <label>显示名称
                     <input type="text" name="display_name" placeholder="可选，用于展示">
                 </label>
+                <label>单位电话（可选）
+                    <input type="text" name="department_phone" placeholder="用于自动创建的单位联系电话">
+                </label>
                 <label>上级单位（可选，不选则创建顶级市级单位）
                     <select id="userCreateParent" class="form-select">
                         <option value="">不选择上级（顶级单位）</option>
@@ -1672,12 +1675,14 @@ function fillUserDrawer(user) {
     }
     if (userSummaryBox) {
         const dept = user.department ? `${user.department.name || ''}${user.department.code ? ' · ' + user.department.code : ''}` : '未绑定';
+        const deptPhone = user.department ? (user.department.phone || '—') : '—';
         userSummaryBox.innerHTML = `
             <div class="summary-grid">
                 <div><div class="label">登录账号</div><div class="value">${user.username || '—'}</div></div>
                 <div><div class="label">显示名</div><div class="value">${user.display_name || '—'}</div></div>
                 <div><div class="label">角色</div><div class="value"><span class="pill">${getRoleLabel(user.role)}</span></div></div>
                 <div><div class="label">绑定部门</div><div class="value">${dept}</div></div>
+                <div><div class="label">单位电话</div><div class="value">${deptPhone}</div></div>
                 <div><div class="label">创建时间</div><div class="value">${formatDate(user.created_at)}</div></div>
             </div>
         `;
@@ -1779,7 +1784,8 @@ if (userCreateForm) {
             username: form.username.value.trim(),
             password: form.password.value.trim(),
             display_name: form.display_name.value.trim(),
-            parent_department_id: parentDepartmentId || null
+            parent_department_id: parentDepartmentId || null,
+            department_phone: (form.department_phone.value || '').trim()
         };
         try {
             const resp = await fetchJSON(`${API_BASE}/admin/users`, {
@@ -1793,6 +1799,7 @@ if (userCreateForm) {
             if (parentSelect) {
                 parentSelect.value = '';
             }
+            form.department_phone.value = '';
             switchUserSubtab('user-list-panel');
             await refreshDepartments();
             await refreshUsers();