diff --git a/src/components/slider/slider.ts b/src/components/slider/slider.ts
index 2d9de97..89e3573 100644
--- a/src/components/slider/slider.ts
+++ b/src/components/slider/slider.ts
@@ -46,19 +46,29 @@ export class StarSlider extends LitElement {
   @property({type: String}) step = ''
   @property({type: String})
   get endValue() {
+    if (Number(this._endValue) < 0) {
+      this._endValue = '0'
+    } else if (Number(this._endValue) > 100) {
+      this._endValue = '100'
+    }
     return this._endValue
   }
   set endValue(value: string) {
     const type = getType(value)
+    if (Number(value) < 0) {
+      value = '0'
+    } else if (Number(value) > 100) {
+      value = '100'
+    }
     if (type == 'percent' && !isNaN(+value)) {
-      value += '%'
+      // value += '%'
     } else if (type == 'invalid') {
       value = this._endValue
       return
     }
-    this.style.setProperty('--cover-width', value)
+    this.style.setProperty('--cover-width', value + '%')
     this._endValue = value
-    this.style.setProperty('--dot-move', this._endValue)
+    this.style.setProperty('--dot-move', this._endValue + '%')
   }
   @property({type: String})
   get vHeight() {
@@ -139,6 +149,7 @@ export class StarSlider extends LitElement {
       }
       this.proportion = (this.barX / this.barWidth) * 100
       this.endValue = Math.ceil(this.proportion) + ''
+      // console.log(`this.proportion = ${this.proportion} ,endvalue = ${this.endValue}`);
       if (this.tick) {
         // tick跳格滑动
         var tickStep = 100 / parseInt(this.step) //分为几格
@@ -179,8 +190,7 @@ export class StarSlider extends LitElement {
 
       if (this.newX < 0) {
         this.newX = 0
-      }
-      if (this.newX >= this.barWidth) {
+      } else if (this.newX >= this.barWidth) {
         this.newX = this.barWidth
       }
       //计算比例