fix

@@ -2,6 +2,7 @@ package com.infoloop.tianting.service.client;
 
 import com.infoloop.tianting.model.dto.WxUserDto.SendSubscriptionMessageResponse;
 import com.infoloop.tianting.model.dto.WxUserDto.WxUserTokenDto;
+import org.springframework.lang.Nullable;
 import com.infoloop.tianting.utils.JsonUtil;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -51,10 +52,21 @@ public class WxOfficialAccountHttpClient {
 
     private final Object lock = new Object();
 
+    private boolean isOfficialAccountConfigured() {
+        return StringUtils.isNotBlank(appId) && StringUtils.isNotBlank(appSecret);
+    }
+
     /**
      * 获取公众号 access_token（带缓存）
+     *
+     * @return token；未配置 appId/appSecret 时返回 null（不请求微信接口）
      */
+    @Nullable
     public String fetchStableAccessToken() {
+        if (!isOfficialAccountConfigured()) {
+            log.warn("未配置 officialAccount.appId / officialAccount.appSecret，跳过获取公众号 access_token");
+            return null;
+        }
         log.info("Fetching Official Account access token...");
         String cachedToken = stringRedisTemplate.opsForValue().get(ACCESS_TOKEN_CACHE_KEY);
         if (StringUtils.isNotEmpty(cachedToken)) {
@@ -117,8 +129,15 @@ public class WxOfficialAccountHttpClient {
             Map<String, Object> data,
             String url,
             Map<String, String> miniprogram) {
+        if (!isOfficialAccountConfigured()) {
+            log.warn("未配置公众号，跳过发送订阅消息 openId={}", openId);
+            return new SendSubscriptionMessageResponse(-1, "微信公众号未配置");
+        }
         try {
             String accessToken = fetchStableAccessToken();
+            if (accessToken == null) {
+                return new SendSubscriptionMessageResponse(-1, "未获取到公众号 access_token");
+            }
             HttpHeaders headers = new HttpHeaders();
             headers.setContentType(MediaType.APPLICATION_JSON);