diff --git a/tenant-service/src/main/java/com/xuqm/tenant/service/AppService.java b/tenant-service/src/main/java/com/xuqm/tenant/service/AppService.java
index 11f72f0..d354d74 100644
--- a/tenant-service/src/main/java/com/xuqm/tenant/service/AppService.java
+++ b/tenant-service/src/main/java/com/xuqm/tenant/service/AppService.java
@@ -36,6 +36,10 @@ public class AppService {
     @Value("${license.public-base-url:https://auth.dev.xuqinmin.com/}")
     private String licensePublicBaseUrl;
 
+    /** SDK 平台 API 公开地址，SDK 用此地址拉取 /api/sdk/config。私有化部署时与 licensePublicBaseUrl 相同，公有环境需单独配置。 */
+    @Value("${sdk.platform-public-base-url:${license.public-base-url:https://auth.dev.xuqinmin.com/}}")
+    private String sdkPlatformPublicBaseUrl;
+
     public AppService(AppRepository appRepository,
                       OperationLogService operationLogService,
                       FeatureServiceRepository featureServiceRepository,
@@ -190,7 +194,7 @@ public class AppService {
         if (app.getHarmonyBundleName() != null && !app.getHarmonyBundleName().isBlank()) {
             payload.put("harmonyBundleName", app.getHarmonyBundleName());
         }
-        payload.put("serverUrl", normalizeBaseUrl(licensePublicBaseUrl));
+        payload.put("serverUrl", normalizeBaseUrl(sdkPlatformPublicBaseUrl));
         payload.put("issuedAt", java.time.Instant.now().toString());
         try {
             return ConfigFileCrypto.encrypt(MAPPER.valueToTree(payload).toString());