diff --git a/src/ui_loader/ui_builder.c b/src/base/ui_builder.c
similarity index 98%
rename from src/ui_loader/ui_builder.c
rename to src/base/ui_builder.c
index 8aaf353c8..f0f6da1a6 100644
--- a/src/ui_loader/ui_builder.c
+++ b/src/base/ui_builder.c
@@ -19,7 +19,7 @@
  *
  */
 
-#include "ui_loader/ui_builder.h"
+#include "base/ui_builder.h"
 
 ret_t ui_builder_on_widget_start(ui_builder_t* b, const widget_desc_t* desc) {
   return_value_if_fail(b != NULL && b->on_widget_start != NULL && desc != NULL, RET_BAD_PARAMS);
diff --git a/src/ui_loader/ui_builder.h b/src/base/ui_builder.h
similarity index 100%
rename from src/ui_loader/ui_builder.h
rename to src/base/ui_builder.h
diff --git a/src/base/view.c b/src/base/view.c
old mode 100644
new mode 100755
index 67a37545a..214544eeb
--- a/src/base/view.c
+++ b/src/base/view.c
@@ -1,4 +1,4 @@
-/**
+/**
  * File:   view.h
  * Author: AWTK Develop Team
  * Brief:  view
@@ -23,7 +23,7 @@
 #include "base/view.h"
 
 static const widget_vtable_t s_view_vtable = {
-    .size = sizeof(view_t), .type_name = WIDGET_TYPE_VIEW, .properties = view_create};
+    .size = sizeof(view_t), .type_name = WIDGET_TYPE_VIEW, .create = view_create};
 
 widget_t* view_create(widget_t* parent, xy_t x, xy_t y, wh_t w, wh_t h) {
   widget_t* widget = NULL;
diff --git a/src/ui_loader/ui_binary_writer.c b/src/ui_loader/ui_binary_writer.c
index 5c96c8e92..a06d1bce2 100644
--- a/src/ui_loader/ui_binary_writer.c
+++ b/src/ui_loader/ui_binary_writer.c
@@ -23,7 +23,7 @@
 #include "base/enums.h"
 #include "base/utf8.h"
 #include "base/value.h"
-#include "ui_loader/ui_builder.h"
+#include "base/ui_builder.h"
 #include "ui_loader/ui_loader_default.h"
 #include "ui_loader/ui_binary_writer.h"
 
diff --git a/src/ui_loader/ui_binary_writer.h b/src/ui_loader/ui_binary_writer.h
index 7703f2859..34fa2eb52 100644
--- a/src/ui_loader/ui_binary_writer.h
+++ b/src/ui_loader/ui_binary_writer.h
@@ -23,7 +23,7 @@
 #define TK_UI_BINARY_WRITER_H
 
 #include "base/buffer.h"
-#include "ui_loader/ui_builder.h"
+#include "base/ui_builder.h"
 
 BEGIN_C_DECLS
 
diff --git a/src/ui_loader/ui_builder_default.h b/src/ui_loader/ui_builder_default.h
index aca3725c3..1719f4d02 100755
--- a/src/ui_loader/ui_builder_default.h
+++ b/src/ui_loader/ui_builder_default.h
@@ -22,7 +22,7 @@
 #ifndef TK_UI_BUILDER_DEFAULT_H
 #define TK_UI_BUILDER_DEFAULT_H
 
-#include "ui_loader/ui_builder.h"
+#include "base/ui_builder.h"
 
 BEGIN_C_DECLS
 
diff --git a/src/ui_loader/ui_loader.h b/src/ui_loader/ui_loader.h
index 0e3f017a5..976ee3811 100644
--- a/src/ui_loader/ui_loader.h
+++ b/src/ui_loader/ui_loader.h
@@ -22,7 +22,7 @@
 #ifndef TK_UI_LOADER_H
 #define TK_UI_LOADER_H
 
-#include "ui_loader/ui_builder.h"
+#include "base/ui_builder.h"
 
 BEGIN_C_DECLS
 
diff --git a/src/ui_loader/ui_xml_writer.c b/src/ui_loader/ui_xml_writer.c
old mode 100644
new mode 100755
index b2b380e12..666bff150
--- a/src/ui_loader/ui_xml_writer.c
+++ b/src/ui_loader/ui_xml_writer.c
@@ -1,4 +1,4 @@
-/**
+/**
  * File:   ui_xml_writer.c
  * Author: AWTK Develop Team
  * Brief:  ui_builder write widget info into buffer.
@@ -20,7 +20,7 @@
  */
 
 #include "base/utils.h"
-#include "ui_loader/ui_builder.h"
+#include "base/ui_builder.h"
 #include "ui_loader/ui_xml_writer.h"
 
 static ret_t str_write_n_char(str_t* str, char c, uint32_t nr) {
@@ -137,7 +137,7 @@ static ret_t ui_xml_writer_on_widget_start(ui_builder_t* b, const widget_desc_t*
   return_value_if_fail(str_append(str, "<") == RET_OK, RET_OOM);
   return_value_if_fail(str_append(str, tag) == RET_OK, RET_OOM);
 
-  return ui_xml_writer_write_widget_layout(str, &(desc->layout));
+  return ui_xml_writer_write_widget_layout(str, (widget_layout_t*)&(desc->layout));
 }
 
 static ret_t ui_xml_writer_on_widget_prop(ui_builder_t* b, const char* name, const char* value) {
diff --git a/src/ui_loader/ui_xml_writer.h b/src/ui_loader/ui_xml_writer.h
index db122d921..594b39c5c 100644
--- a/src/ui_loader/ui_xml_writer.h
+++ b/src/ui_loader/ui_xml_writer.h
@@ -23,7 +23,7 @@
 #define TK_UI_XML_WRITER_H
 
 #include "base/str.h"
-#include "ui_loader/ui_builder.h"
+#include "base/ui_builder.h"
 
 BEGIN_C_DECLS