diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
index bb29a1d..99f26c0 100644
--- a/.settings/org.eclipse.core.resources.prefs
+++ b/.settings/org.eclipse.core.resources.prefs
@@ -1,2 +1,2 @@
 eclipse.preferences.version=1
-encoding/<project>=GBK
+encoding/<project>=UTF-8
diff --git a/sdk b/sdk
index b1c3dd5..599ae6d 160000
--- a/sdk
+++ b/sdk
@@ -1 +1 @@
-Subproject commit b1c3dd52b955b8f327659f6b2e313f891a472b83
+Subproject commit 599ae6d11aaf71a05f8cc2436a230b2e880d43d0