diff --git a/env_support/rt-thread/lv_rt_thread_port.c b/env_support/rt-thread/lv_rt_thread_port.c
index 97027f08a..98a1439b5 100644
--- a/env_support/rt-thread/lv_rt_thread_port.c
+++ b/env_support/rt-thread/lv_rt_thread_port.c
@@ -31,7 +31,7 @@ extern void lv_port_indev_init(void);
 extern void lv_user_gui_init(void);
 
 static struct rt_thread lvgl_thread;
-static rt_uint8_t lvgl_thread_stack[PKG_LVGL_THREAD_STACK_SIZE];
+static ALIGN(8) rt_uint8_t lvgl_thread_stack[PKG_LVGL_THREAD_STACK_SIZE];
 
 #if LV_USE_LOG
 static void lv_rt_log(const char *buf)
diff --git a/env_support/rt-thread/squareline/README.md b/env_support/rt-thread/squareline/README.md
new file mode 100644
index 000000000..e55796b6c
--- /dev/null
+++ b/env_support/rt-thread/squareline/README.md
@@ -0,0 +1,4 @@
+This folder is for LVGL SquareLine Studio
+
+SquareLine Studio can automatically put the generated C files into `ui` folder, so that rt-thread will automatically detect them; or, as a user, you can move the generated C files into `ui` folder manually.
+
diff --git a/env_support/rt-thread/squareline/SConscript b/env_support/rt-thread/squareline/SConscript
new file mode 100644
index 000000000..89a509973
--- /dev/null
+++ b/env_support/rt-thread/squareline/SConscript
@@ -0,0 +1,13 @@
+from building import *
+
+cwd = GetCurrentDir()
+group = []
+src = []
+CPPPATH =[]
+
+src += Glob(cwd + '/ui/*.c')
+CPPPATH += [cwd+'/ui']
+
+group = group + DefineGroup('LVGL-SquareLine', src, depend = ['PKG_USING_LVGL_SQUARELINE'], CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/env_support/rt-thread/squareline/ui/lv_ui_entry.c b/env_support/rt-thread/squareline/ui/lv_ui_entry.c
new file mode 100644
index 000000000..838b53c9f
--- /dev/null
+++ b/env_support/rt-thread/squareline/ui/lv_ui_entry.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author        Notes
+ * 2022-05-13     Meco Man      First version
+ */
+
+#ifdef __RTTHREAD__
+
+void lv_user_gui_init(void)
+{
+    extern void ui_init(void);
+    ui_init();
+}
+
+#endif /* __RTTHREAD__ */