diff --git a/app/src/main/java/com/huanchengfly/tieba/post/api/retrofit/RetrofitTiebaApi.kt b/app/src/main/java/com/huanchengfly/tieba/post/api/retrofit/RetrofitTiebaApi.kt
index bdcdf4e5..ddac4e99 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/api/retrofit/RetrofitTiebaApi.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/api/retrofit/RetrofitTiebaApi.kt
@@ -179,7 +179,7 @@ object RetrofitTiebaApi {
 
     val OFFICIAL_PROTOBUF_TIEBA_API: OfficialProtobufTiebaApi by lazy {
         createProtobufApi<OfficialProtobufTiebaApi>(
-            "http://c.tieba.baidu.com/",
+            "https://tiebac.baidu.com/",
             CommonHeaderInterceptor(
                 Header.CHARSET to { "UTF-8" },
                 Header.CLIENT_TYPE to { "2" },
@@ -207,7 +207,7 @@ object RetrofitTiebaApi {
 
     val OFFICIAL_PROTOBUF_TIEBA_V12_API: OfficialProtobufTiebaApi by lazy {
         createProtobufApi<OfficialProtobufTiebaApi>(
-            "http://c.tieba.baidu.com/",
+            "https://tiebac.baidu.com/",
             CommonHeaderInterceptor(
                 Header.CHARSET to { "UTF-8" },
                 Header.CLIENT_TYPE to { "2" },