diff --git a/packages/animate/src/animater.ts b/packages/animate/src/animater.ts
index 6ec833a..53057e3 100644
--- a/packages/animate/src/animater.ts
+++ b/packages/animate/src/animater.ts
@@ -6,7 +6,8 @@ import {
     IAnimationPlan,
     IExcitableController,
     IExcitation,
-    IAnimatePlanIdentifier
+    IAnimatePlanIdentifier,
+    EndRelation
 } from './types';
 import { linear } from './utils';
 
@@ -27,6 +28,8 @@ interface IAnimaterRawPlan extends IAnimationPlan {
     readonly after: Set<IAnimaterTimedInfo>;
     /** 兑现函数，当本次动画计划执行完毕后执行 */
     readonly resolve: () => void;
+    /** 终值参考模式 */
+    readonly end: EndRelation;
 }
 
 interface IAnimatingContent extends IAnimaterRawPlan {
@@ -161,7 +164,7 @@ export class Animater implements IAnimater {
         return this;
     }
 
-    to(value: number, time: number): this {
+    to(value: number, time: number, end: EndRelation = EndRelation.Self): this {
         if (!this.animatableStatus || !this.currentAnimatable) return this;
         this.planning = true;
         // 定义动画计划
@@ -171,6 +174,7 @@ export class Animater implements IAnimater {
             identifier: { content: this.currentAnimatable, index },
             curve: this.curveStatus,
             targetValue: value,
+            end,
             time,
             promise,
             resolve,
@@ -365,16 +369,20 @@ export class Animater implements IAnimater {
             const content = anim.identifier.content;
             if (progress >= 1) {
                 // 动画结束
-                content.value = anim.targetValue;
+                if (anim.end === EndRelation.Self) {
+                    content.value = anim.targetValue;
+                } else {
+                    content.value = anim.startValue + anim.curve(1) * anim.diff;
+                }
                 anim.resolve();
                 endedAnimate.add(anim);
-                // 检查 after
                 anim.after.forEach(v => afters.add(v));
             } else {
                 const completion = anim.curve(progress);
                 content.value = completion * anim.diff + anim.startValue;
             }
         }
+        // 检查 after
         afters.forEach(v => {
             this.startAfter({ ...v, arousedTime: payload });
         });
diff --git a/packages/animate/src/types.ts b/packages/animate/src/types.ts
index 2886016..f0aac21 100644
--- a/packages/animate/src/types.ts
+++ b/packages/animate/src/types.ts
@@ -153,6 +153,13 @@ export interface IAnimationPlan {
     readonly promise: Promise<void>;
 }
 
+export const enum EndRelation {
+    /** 以动画目标值为动画终值 */
+    Self,
+    /** 以曲线 `curve(1)` 乘以传入的终值与初值的差作为动画终值 */
+    Curve
+}
+
 export interface IAnimater extends IExcitable<number> {
     /**
      * 在动画执行器上绑定激励源
@@ -183,7 +190,7 @@ export interface IAnimater extends IExcitable<number> {
      * @param value 目标值
      * @param time 动画时长
      */
-    to(value: number, time: number): this;
+    to(value: number, time: number, end?: EndRelation): this;
 
     /**
      * 在刚刚定义的动画结束后指定时长再开始后续计划。
diff --git a/packages/animate/src/utils.ts b/packages/animate/src/utils.ts
index c664dbc..cd3c382 100644
--- a/packages/animate/src/utils.ts
+++ b/packages/animate/src/utils.ts
@@ -4,6 +4,7 @@ import {
     ExcitationCurve2D,
     ExcitationCurve3D,
     GeneralExcitationCurve,
+    IAnimatable,
     IExcitable
 } from './types';
 
@@ -25,12 +26,20 @@ export function excited<T>(
     }
 }
 
+/**
+ * 将一个数值转换为可动画对象。注意对象中的值改变时原数值不会跟着变
+ * @param value 需要转换为的数值
+ */
+export function excitable(value: number): IAnimatable {
+    return { value };
+}
+
 //#endregion
 
 //#region 曲线计算
 
 /**
- * 曲线相加 `a(p) + b(p)`
+ * 曲线相加 `h(x) = f(x) + g(x)`
  * @param curve1 加数
  * @param curve2 加数
  */
@@ -42,7 +51,7 @@ export function addCurve(
 }
 
 /**
- * 曲线相减 `a(p) - b(p)`
+ * 曲线相减 `h(x) = f(x) - g(x)`
  * @param curve1 被减数
  * @param curve2 减数
  */
@@ -54,7 +63,7 @@ export function subCurve(
 }
 
 /**
- * 曲线相乘 `a(p) * b(p)`
+ * 曲线相乘 `h(x) = f(x) * g(x)`
  * @param curve1 乘数
  * @param curve2 乘数
  */
@@ -66,7 +75,7 @@ export function mulCurve(
 }
 
 /**
- * 曲线相除 `a(p) / b(p)`
+ * 曲线相除 `h(x) = f(x) / g(x)`
  * @param curve1 乘数
  * @param curve2 乘数
  */
@@ -78,7 +87,7 @@ export function divCurve(
 }
 
 /**
- * 曲线取幂 `a(p) ** b(p)`
+ * 曲线取幂 `h(x) = f(x) ** g(x)`
  * @param curve1 底数
  * @param curve2 指数
  */
@@ -90,7 +99,7 @@ export function powCurve(
 }
 
 /**
- * 曲线组合，`a(b(p))`
+ * 曲线组合，`h(x) = f(g(x))`
  * @param curve1 外层曲线
  * @param curve2 内层曲线
  */
@@ -102,7 +111,7 @@ export function compositeCurve(
 }
 
 /**
- * 平移曲线，`a(p) + b`
+ * 平移曲线，`g(x) = a(x) + b`
  * @param curve 曲线
  * @param move 纵轴平移量
  */
@@ -114,7 +123,7 @@ export function moveCurve(
 }
 
 /**
- * 曲线求相反数并平移，`b - a(p)`
+ * 曲线求相反数并平移，`g(x) = b - f(x)`
  * @param curve 曲线
  * @param move 纵轴平移量
  */
@@ -126,7 +135,7 @@ export function oppsiteCurve(
 }
 
 /**
- * 纵向缩放曲线，`a(p) * b`
+ * 纵向缩放曲线，`g(x) = f(x) * b`
  * @param curve 曲线
  * @param scale 缩放比例
  */
@@ -322,7 +331,7 @@ export function applyCurveMode(func: ExcitationCurve, mode: CurveMode) {
     }
 }
 
-/** f(x) = 1 - cos(x * pi/2), x∈[0,1], f(x)∈[0,1] */
+/** `f(x) = 1 - cos(x * pi/2), x∈[0,1], f(x)∈[0,1]` */
 const sinfunc: ExcitationCurve = p => 1 - Math.cos((p * Math.PI) / 2);
 
 /**
@@ -333,7 +342,7 @@ export function sin(mode: CurveMode = CurveMode.EaseIn): ExcitationCurve {
     return applyCurveMode(sinfunc, mode);
 }
 
-/** f(x) = tan(x * pi/4), x∈[0,1], f(x)∈[0,1] */
+/** `f(x) = tan(x * pi/4), x∈[0,1], f(x)∈[0,1]` */
 const tanfunc: ExcitationCurve = p => Math.tan((p * Math.PI) / 4);
 
 /**
@@ -344,7 +353,7 @@ export function tan(mode: CurveMode = CurveMode.EaseIn): ExcitationCurve {
     return applyCurveMode(tanfunc, mode);
 }
 
-/** f(x) = sec(x * pi/3) - 1, x∈[0,1], f(x)∈[0,1] */
+/** `f(x) = sec(x * pi/3) - 1, x∈[0,1], f(x)∈[0,1]` */
 const secfunc: ExcitationCurve = p => 1 / Math.cos((p * Math.PI) / 3) - 1;
 
 /**