diff --git a/Default.ext b/Default.ext
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diff --git a/Source/0.LibExDui.Helper.bak b/Source/0.LibExDui.Helper.bak
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diff --git a/Source/0.LibExDui.Helper.e b/Source/0.LibExDui.Helper.e
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Binary files a/Source/0.LibExDui.Helper.e and b/Source/0.LibExDui.Helper.e differ
diff --git a/libexdui.dll b/libexdui.dll
index eba1b5d..62b6289 100644
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diff --git "a/\346\233\264\346\226\260\350\257\264\346\230\216.txt" "b/\346\233\264\346\226\260\350\257\264\346\230\216.txt"
index 5c7253a..5fe6856 100644
--- "a/\346\233\264\346\226\260\350\257\264\346\230\216.txt"
+++ "b/\346\233\264\346\226\260\350\257\264\346\230\216.txt"
@@ -1,3 +1,10 @@
+[4.1.21.302]
+ [+] Lib.Helper模块中新增相关常量
+  [+] 新增函数 _path_beginfigure3 在 _path_beginfigure2 基础上添加 figureBegin 参数
+  [+] 新增函数 _path_addbezier 添加贝塞尔
+
+
+
 [4.1.20.430]
  [!] 修复D2D模式下无法绘制点线的BUG
  [!] 修复字体对象释放时可能导致的崩溃