diff --git a/docs/changes.md b/docs/changes.md
index 70a40bd91..61b6efc27 100644
--- a/docs/changes.md
+++ b/docs/changes.md
@@ -1,5 +1,8 @@
 # 最新动态
 
+2023/03/14
+  * easing 完善注释与单元测试(感谢泽武提供补丁)
+
 2023/03/13
   * 完善编译脚本(感谢高源提供补丁)
 
diff --git a/src/tkc/easing.h b/src/tkc/easing.h
index 85216f935..a7fe5d5d7 100644
--- a/src/tkc/easing.h
+++ b/src/tkc/easing.h
@@ -22,11 +22,18 @@
 #ifndef TK_EASING_H
 #define TK_EASING_H
 
-#include "tkc/types_def.h"
 #include "tkc/darray.h"
+#include "tkc/types_def.h"
 
 BEGIN_C_DECLS
 
+typedef float_t (*easing_func_t)(float_t k);
+
+typedef struct _easing_name_func_t {
+  key_type_value_t* type_name_value;
+  easing_func_t easing_func;
+} easing_name_func_t;
+
 /**
  * @enum easing_type_t
  * @prefix EASING_
@@ -157,17 +164,16 @@ typedef enum _easing_type_t {
   EASING_FUNC_NR
 } easing_type_t;
 
-typedef float_t (*easing_func_t)(float_t k);
-
-typedef struct _easing_name_func_t {
-  key_type_value_t* type_name_value;
-  easing_func_t easing_func;
-} easing_name_func_t;
+/**
+ * @class easing_t
+ * @annotation ["fake"]
+ * 动画趋势类。
+ *
+ */
 
 /**
  * @method easing_get
  * 获取对应类型的操作函数。
- * @annotation ["global"]
  * @param {easing_type_t} type 类型。
  *
  * @return {easing_func_t} 返回对应的操作函数地址。
@@ -177,7 +183,6 @@ easing_func_t easing_get(easing_type_t type);
 /**
  * @method easing_register
  * 注册指定名称的动画趋势。
- * @annotation ["global"]
  * @param {const char*} type_name 类型名称。
  * @param {easing_func_t} easing_func 动画趋势函数。
  *
diff --git a/tests/easing_test.cc b/tests/easing_test.cc
index 1ff187fd6..798b88846 100644
--- a/tests/easing_test.cc
+++ b/tests/easing_test.cc
@@ -1,15 +1,23 @@
 #include "tkc/easing.h"
 #include "gtest/gtest.h"
+#include "widgets/button.h"
+#include "widget_animators/widget_animator_prop.h"
 
 static float_t easing_linear(float_t k) {
   return k;
 }
 
 
-TEST(easing, easingreg) {
+TEST(easing, basic) {
   ASSERT_EQ(easing_register("test1", easing_linear), EASING_FUNC_NR + 1);
   ASSERT_EQ(easing_register("test2", easing_linear), EASING_FUNC_NR + 2);
-  ASSERT_EQ(easing_register("test3", easing_linear), EASING_FUNC_NR + 3);
-  ASSERT_EQ(easing_register("test4", easing_linear), EASING_FUNC_NR + 4);
-  ASSERT_EQ(easing_register("test5", easing_linear), EASING_FUNC_NR + 5);
+
+  uint32_t easing_type = easing_register("test3", easing_linear);
+  widget_t* button = button_create(NULL, 0, 0, 100, 30);
+  widget_animator_t* wa = widget_animator_prop_create(button, 1000, 0, (easing_type_t)easing_type, "x");
+
+  ASSERT_EQ(widget_animator_prop_set_params(wa, 0, 300), RET_OK);
+
+  widget_animator_destroy(wa);
+  widget_destroy(button);
 }