diff --git a/libs/aliyun/iotkit-embedded b/libs/aliyun/iotkit-embedded
index e6bd355..878785d 160000
--- a/libs/aliyun/iotkit-embedded
+++ b/libs/aliyun/iotkit-embedded
@@ -1 +1 @@
-Subproject commit e6bd3556039538ac504c005f0c31dbdd0e906658
+Subproject commit 878785d202fe73ec74a4056475b41289588f85be