diff --git a/src/main/java/com/yunhai/userhome/controller/api/UserController.java b/src/main/java/com/yunhai/userhome/controller/api/UserController.java
index 90bf57f..72d2898 100644
--- a/src/main/java/com/yunhai/userhome/controller/api/UserController.java
+++ b/src/main/java/com/yunhai/userhome/controller/api/UserController.java
@@ -3,6 +3,8 @@ package com.yunhai.userhome.controller.api;
 import com.yunhai.platform.apistd.BizException;
 import com.yunhai.platform.openapi.base.OpenApiUserClient;
 import com.yunhai.platform.openapi.base.YschBaseOpenApi;
+import com.yunhai.platform.openapi.core.OpenApiException;
+import com.yunhai.platform.openapi.core.YschOpenCall;
 import com.yunhai.platform.utils.exception.ErrorCode;
 import com.yunhai.platform.utils.model.BoaApp;
 import com.yunhai.platform.utils.model.BoaAppType;
@@ -10,6 +12,8 @@ import com.yunhai.platform.utils.model.BoaRoleInfo;
 import com.yunhai.platform.utils.model.BoaUser;
 import com.yunhai.userhome.config.Config;
 import com.yunhai.userhome.service.AppRemoteService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -18,7 +22,9 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * 用户首页接口（CAS 登录态，路径 {@code /{platform}/user/}）。
@@ -28,12 +34,20 @@ import java.util.List;
 @RequestMapping(value = Config.API_PATH + "/user/")
 public class UserController {
 
+    private static final Logger log = LoggerFactory.getLogger(UserController.class);
+
+    /** 服务目录目标名：userbase（yh.open.services / 枚举兜底 = base-host + /userbase，与 MsgCenterProxyService 同口径） */
+    private static final String TARGET_USERBASE = "userbase";
+
     @Autowired
     private AppRemoteService appRemoteService;
 
     @Autowired
     private OpenApiUserClient openApiUserClient;
 
+    @Autowired
+    private YschOpenCall openCall;
+
 
     /** 当前登录用户信息（CAS 注入）。 */
     @GetMapping("GetUserInfo")
@@ -92,4 +106,43 @@ public class UserController {
         }
         openApiUserClient.switchIdentity(authUserWithDept.getId(), roleInfo.getRoleId(), roleInfo.getSchId());
     }
+
+    /**
+     * 本人联系方式修改（手机号/邮箱）：body {phone, email}，userId 只取 CAS 会话（无视请求体，防替改他人），
+     * 经 {@link YschOpenCall} 泛化签名直调（Tier 0）转发 UserBase {@code POST /oapi/user/self/contact}
+     * （与 MsgCenterProxyService 直调 userbase 同范式：服务目录按名取址 + 信封异常透传，零新增配置项）。
+     * <ul>
+     *   <li>phone/email 至少一项非空（前端与 UserBase 侧同口径校验，此处仅挡空请求）；</li>
+     *   <li>UserBase 业务失败（格式/查重等）以 DException(code,msg) 冒泡，由 GlobalExceptionHandler
+     *       原样包成信封返回（msg 即「手机号已被其他用户使用」等明确错误）；</li>
+     *   <li>UserBase 不可达（ioError/验签失败等 OpenApiException）收口为友好提示，不抛 500 裸栈；</li>
+     *   <li>成功返回 UserBase 更新后的最新 {@link BoaUser}（含新 phone/email/groups），前端以此
+     *       覆盖 store.userInfo，规避 CAS principal 缓存导致的旧值回显。</li>
+     * </ul>
+     */
+    @PostMapping("UpdateContact")
+    public BoaUser updateContact(BoaUser authUserWithDept, @RequestBody Map<String, String> body) {
+        String phone = body == null ? null : body.get("phone");
+        String email = body == null ? null : body.get("email");
+        boolean phoneBlank = phone == null || phone.trim().isEmpty();
+        boolean emailBlank = email == null || email.trim().isEmpty();
+        if (phoneBlank && emailBlank) {
+            throw new BizException(ErrorCode.PARAM_ERROR, "手机号与邮箱至少填写一项");
+        }
+        Map<String, String> payload = new LinkedHashMap<>();
+        payload.put("userId", String.valueOf(authUserWithDept.getId()));
+        if (!phoneBlank) {
+            payload.put("phone", phone.trim());
+        }
+        if (!emailBlank) {
+            payload.put("email", email.trim());
+        }
+        try {
+            return openCall.post(TARGET_USERBASE, "/oapi/user/self/contact", null, payload, BoaUser.class);
+        } catch (OpenApiException e) {
+            log.warn("[user] UpdateContact 直调 UserBase 失败 userId={}：{}", authUserWithDept.getId(), e.toString());
+            throw new BizException(ErrorCode.CUSTOM, "用户中心暂不可达，请稍后重试");
+        }
+        // DException（UserBase 业务错误，code!=0）刻意冒泡：GlobalExceptionHandler 按原 code/msg 包信封
+    }
 }