diff --git a/packages/circle/index.vue b/packages/circle/index.vue
index 1040124da..6bd78cc92 100644
--- a/packages/circle/index.vue
+++ b/packages/circle/index.vue
@@ -52,7 +52,7 @@ export default create({
   },
 
   beforeCreate() {
-    this.perimeter = Math.PI * 1000;
+    this.perimeter = 3140;
     this.path = 'M 530 530 m -500, 0 a 500, 500 0 1, 1 1000, 0 a 500, 500 0 1, 1 -1000, 0';
   },
 
diff --git a/packages/vant-css/src/circle.css b/packages/vant-css/src/circle.css
index d4c777616..d0159c417 100644
--- a/packages/vant-css/src/circle.css
+++ b/packages/vant-css/src/circle.css
@@ -15,6 +15,7 @@
 
   &__layer {
     fill: none;
+    stroke-linecap: round;
     stroke-dasharray: 3140;
     stroke-dashoffset: 3140;
     transform: rotate(90deg);