diff --git a/deploy-server/deploy.sh b/deploy-server/deploy.sh
index 055cf9b..a7e4d20 100644
--- a/deploy-server/deploy.sh
+++ b/deploy-server/deploy.sh
@@ -24,7 +24,7 @@ mkdir -p "$BACKUP_DIR"
 cp -r "$DEPLOY_DIR/frontend-h5/dist" "$BACKUP_DIR/frontend-h5-dist" 2>/dev/null || true
 cp -r "$DEPLOY_DIR/frontend-agent/dist" "$BACKUP_DIR/frontend-agent-dist" 2>/dev/null || true
 cp -r "$DEPLOY_DIR/frontend-admin/dist" "$BACKUP_DIR/frontend-admin-dist" 2>/dev/null || true
-cp -r "$DEPLOY_DIR/frontend-portal/dist" "$BACKUP_DIR/frontend-portal-dist" 2>/dev/null || true
+# ⚠️ 2026-08-03: frontend-portal 已下线（源码 + dist 不存在），跳过备份
 cp -r "$DEPLOY_DIR/backend" "$BACKUP_DIR/backend" 2>/dev/null || true
 echo "备份完成: $BACKUP_DIR"
 
@@ -50,10 +50,7 @@ rm -rf frontend-admin/dist
 tar -xf /tmp/deploy-admin.tar -C frontend-admin/
 echo "管理后台已更新"
 
-# Portal 统一入口
-rm -rf frontend-portal/dist
-tar -xf /tmp/deploy-portal.tar -C frontend-portal/ 2>/dev/null || echo "Portal 包未找到，跳过"
-echo "Portal 已更新"
+# ⚠️ 2026-08-03: Portal 已下线（commit bea288e4 删除源码），跳过此步骤
 
 # --------------------------------------------------------------------------
 # 3. 更新后端代码
@@ -142,11 +139,11 @@ echo "部署完成！"
 echo "=========================================="
 echo ""
 echo "访问地址:"
-echo "  统一入口: https://itsupport.servyou.com.cn/itportal/"
 echo "  H5 用户端: https://itsupport.servyou.com.cn/itdesk/"
 echo "  坐席工作台: https://itsupport.servyou.com.cn/itagent/"
 echo "  管理后台: https://itsupport.servyou.com.cn/itadmin/"
 echo ""
+echo "⚠️ 注: /itportal/ 入口已下线（2026-08-03 清理），根域名会自动重定向到 /itdesk/"
 echo "如需回滚，执行:"
 echo "  cp -r $BACKUP_DIR/frontend-h5-dist $DEPLOY_DIR/frontend-h5/dist"
 echo "  cp -r $BACKUP_DIR/frontend-agent-dist $DEPLOY_DIR/frontend-agent/dist"
diff --git a/deploy-server/docker-compose-green.yml b/deploy-server/docker-compose-green.yml
index 049566f..2a6b7e5 100644
--- a/deploy-server/docker-compose-green.yml
+++ b/deploy-server/docker-compose-green.yml
@@ -74,7 +74,6 @@ services:
       - ./html/itdesk:/usr/share/nginx/html/itdesk:ro
       - ./html/itagent:/usr/share/nginx/html/itagent:ro
       - ./html/itadmin:/usr/share/nginx/html/itadmin:ro
-      - ./html/itportal:/usr/share/nginx/html/itportal:ro
     environment:
       - NGINX_HOST=localhost
       - NGINX_PORT=80
diff --git a/deploy-server/docker-compose.split.yml b/deploy-server/docker-compose.split.yml
index 21ce74a..770c812 100644
--- a/deploy-server/docker-compose.split.yml
+++ b/deploy-server/docker-compose.split.yml
@@ -388,7 +388,6 @@ services:
       - ./frontend-h5/dist:/usr/share/nginx/html/itdesk:ro
       - ./frontend-agent/dist:/usr/share/nginx/html/itagent:ro
       - ./frontend-admin/dist:/usr/share/nginx/html/itadmin:ro
-      - ./frontend-portal/dist:/usr/share/nginx/html/itportal:ro
     depends_on:
       core-svc:
         condition: service_healthy
diff --git a/deploy-server/docker-compose.yml b/deploy-server/docker-compose.yml
index 7de450c..7f51cef 100644
--- a/deploy-server/docker-compose.yml
+++ b/deploy-server/docker-compose.yml
@@ -143,7 +143,6 @@ services:
       - ./html/itdesk:/usr/share/nginx/html/itdesk:ro
       - ./html/itagent:/usr/share/nginx/html/itagent:ro
       - ./html/itadmin:/usr/share/nginx/html/itadmin
-      - ./html/itportal:/usr/share/nginx/html/itportal:ro
       - ./html/h5:/usr/share/nginx/html/h5:ro
     depends_on:
       - backend
diff --git a/deploy-server/nginx-full.conf b/deploy-server/nginx-full.conf
index 5290214..d0f317d 100644
--- a/deploy-server/nginx-full.conf
+++ b/deploy-server/nginx-full.conf
@@ -145,11 +145,7 @@ http {
             index index.html;
             try_files $uri /itadmin/index.html;
         }
-        location /itportal/ {
-            alias /usr/share/nginx/html/itportal/;
-            index index.html;
-            try_files $uri /itportal/index.html;
-        }
+        # ⚠️ /itportal/ 静态前端块已移除 (2026-08-03 fix) - portal 源码 + dist 已不存在
         location /api/ {
             location ~ ^/api/admin/ {
                 allow 10.0.0.0/8;
@@ -210,7 +206,7 @@ http {
             proxy_read_timeout    300s;
         }
         location = / {
-            return 302 /itportal/;
+            return 302 /itdesk/;
         }
     }
 }
diff --git a/deploy-server/nginx-green-upstream.conf b/deploy-server/nginx-green-upstream.conf
index c7e58cc..c73421e 100644
--- a/deploy-server/nginx-green-upstream.conf
+++ b/deploy-server/nginx-green-upstream.conf
@@ -67,12 +67,7 @@ http {
             alias /usr/share/nginx/html/itadmin/;
             try_files $uri /itadmin/index.html;
         }
-
-        # itportal 入口
-        location /itportal/ {
-            alias /usr/share/nginx/html/itportal/;
-            try_files $uri /itportal/index.html;
-        }
+        # ⚠️ /itportal/ 静态前端块已移除 (2026-08-03 fix) - portal 源码 + dist 已不存在
 
         # API — Green 后端
         location /api/ {
@@ -120,9 +115,9 @@ http {
             proxy_read_timeout 86400s;
         }
 
-        # 根路径重定向
+        # 根路径重定向（2026-08-03 fix: /itportal/ → /itdesk/，因 portal 已下线）
         location = / {
-            return 302 /itportal/;
+            return 302 /itdesk/;
         }
     }
 }
diff --git a/deploy-server/nginx.conf b/deploy-server/nginx.conf
index c845723..80b993c 100644
--- a/deploy-server/nginx.conf
+++ b/deploy-server/nginx.conf
@@ -131,15 +131,11 @@ http {
             proxy_send_timeout    300s;
             proxy_read_timeout    300s;
         }
-
-        # ------------------------------------------------------------------
-        # 统一入口 Portal — /itportal/
-        # ------------------------------------------------------------------
-        location /itportal/ {
-            alias /usr/share/nginx/html/itportal/;
-            index index.html;
-            try_files $uri /itportal/index.html;
-        }
+        # ⚠️ /itportal/ 静态前端块已移除 (2026-08-03 fix)
+        # 历史: portal 源码 frontend-portal/ 在 commit bea288e4 (2026-07-11) 已删除,
+        #       dist 目录不存在, alias 指向空目录导致 try_files 全部 500。
+        #       /itportal/ 现在返回 nginx 404（最长前缀 /itportal/meetingroom/ 仍工作）。
+        # 关联 issue: 滴答清单任务 6a6bfc29e4b06440c36701e1 (P0)
 
         # ------------------------------------------------------------------
         # 后端 API — /api/
@@ -279,15 +275,11 @@ http {
             proxy_send_timeout    300s;
             proxy_read_timeout    300s;
         }
-
-        # ------------------------------------------------------------------
-        # 统一入口 Portal — /itportal/
-        # ------------------------------------------------------------------
-        location /itportal/ {
-            alias /usr/share/nginx/html/itportal/;
-            index index.html;
-            try_files $uri /itportal/index.html;
-        }
+        # ⚠️ /itportal/ 静态前端块已移除 (2026-08-03 fix)
+        # 历史: portal 源码 frontend-portal/ 在 commit bea288e4 (2026-07-11) 已删除,
+        #       dist 目录不存在, alias 指向空目录导致 try_files 全部 500。
+        #       /itportal/ 现在返回 nginx 404（最长前缀 /itportal/meetingroom/ 仍工作）。
+        # 关联 issue: 滴答清单任务 6a6bfc29e4b06440c36701e1 (P0)
 
         # ------------------------------------------------------------------
         # 后端 API — /api/
diff --git a/deploy-server/nginx/nginx-split.conf b/deploy-server/nginx/nginx-split.conf
index f2a1326..e2fc4bf 100644
--- a/deploy-server/nginx/nginx-split.conf
+++ b/deploy-server/nginx/nginx-split.conf
@@ -244,17 +244,11 @@ http {
             try_files $uri $uri/ /itadmin/index.html;
             add_header Cache-Control "public, max-age=31536000, immutable";
         }
-
-        # Portal 入口
-        location /itportal/ {
-            alias /usr/share/nginx/html/itportal/;
-            try_files $uri $uri/ /itportal/index.html;
-            add_header Cache-Control "public, max-age=31536000, immutable";
-        }
+        # ⚠️ /itportal/ 静态前端块已移除 (2026-08-03 fix) - portal 源码 + dist 已不存在
 
         # 根路径重定向到 Portal
         location = / {
-            return 302 /itportal/;
+            return 302 /itdesk/;
         }
 
         # 默认处理
diff --git a/deploy-server/nginx/nginx.conf b/deploy-server/nginx/nginx.conf
index f84af7a..e546975 100644
--- a/deploy-server/nginx/nginx.conf
+++ b/deploy-server/nginx/nginx.conf
@@ -145,11 +145,7 @@ http {
             index index.html;
             try_files $uri /itadmin/index.html;
         }
-        location /itportal/ {
-            alias /usr/share/nginx/html/itportal/;
-            index index.html;
-            try_files $uri /itportal/index.html;
-        }
+        # ⚠️ /itportal/ 静态前端块已移除 (2026-08-03 fix) - portal 源码 + dist 已不存在
         location /api/ {
             location ~ ^/api/admin/ {
                 # 修复：剥离 /api/ 前缀，使后端收到 /admin/... 而非 /api/admin/...
diff --git a/docker-compose.yml b/docker-compose.yml
index 6231c40..3c3c585 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -210,7 +210,6 @@ services:
       - ./src/frontend-h5/dist:/usr/share/nginx/html/h5:ro
       - ./src/frontend-agent/dist:/usr/share/nginx/html/itagent:ro
       - ./src/frontend-admin/dist:/usr/share/nginx/html/itadmin:ro
-      - ./frontend-portal/dist:/usr/share/nginx/html/itportal:ro
       - ./src/frontend-terminal/dist:/usr/share/nginx/html/itterminal:ro
     depends_on:
       - backend
diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index c845723..033f631 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -10,12 +10,15 @@
 #   /itdesk/              → H5 员工端静态文件
 #   /itagent/             → 坐席工作台静态文件
 #   /itadmin/             → 管理后台静态文件
-#   /itportal/            → 统一入口（角色选择）静态文件
 #   /itterminal/          → 小鱼终端大屏静态文件
 #   /itportal/meetingroom/ → 会议室API（终端+H5共用，代理到后端）
 #   /api/                 → 后端 FastAPI（容器名 backend:8000）
 #   /ws/                  → WebSocket（容器名 backend:8000，支持升级）
 #   /                     → IT 数据查询平台（远程主机）
+#
+# 2026-08-03 fix:
+#   - /itportal/ 静态前端块已移除（portal 源码在 commit bea288e4 已删除，dist 不存在导致 500）
+#   - 仅保留 /itportal/meetingroom/ API 块
 # =============================================================================
 
 events {
@@ -133,13 +136,12 @@ http {
         }
 
         # ------------------------------------------------------------------
-        # 统一入口 Portal — /itportal/
+        # ⚠️ /itportal/ 静态前端块已移除 (2026-08-03 fix)
+        # 历史: portal 源码 frontend-portal/ 在 commit bea288e4 (2026-07-11) 已删除,
+        #       dist 目录不存在, alias 指向空目录导致 try_files 全部 500。
+        #       现在没有 portal 前端, /itportal/ 直接返回 nginx 404（最长前缀 /itportal/meetingroom/ 仍工作）。
+        # 关联 issue: 滴答清单任务 6a6bfc29e4b06440c36701e1 (P0)
         # ------------------------------------------------------------------
-        location /itportal/ {
-            alias /usr/share/nginx/html/itportal/;
-            index index.html;
-            try_files $uri /itportal/index.html;
-        }
 
         # ------------------------------------------------------------------
         # 后端 API — /api/
@@ -281,13 +283,12 @@ http {
         }
 
         # ------------------------------------------------------------------
-        # 统一入口 Portal — /itportal/
+        # ⚠️ /itportal/ 静态前端块已移除 (2026-08-03 fix)
+        # 历史: portal 源码 frontend-portal/ 在 commit bea288e4 (2026-07-11) 已删除,
+        #       dist 目录不存在, alias 指向空目录导致 try_files 全部 500。
+        #       现在没有 portal 前端, /itportal/ 直接返回 nginx 404（最长前缀 /itportal/meetingroom/ 仍工作）。
+        # 关联 issue: 滴答清单任务 6a6bfc29e4b06440c36701e1 (P0)
         # ------------------------------------------------------------------
-        location /itportal/ {
-            alias /usr/share/nginx/html/itportal/;
-            index index.html;
-            try_files $uri /itportal/index.html;
-        }
 
         # ------------------------------------------------------------------
         # 后端 API — /api/