diff --git a/src/layout/components/ESignatureDialog.vue b/src/layout/components/ESignatureDialog.vue
index 9343561..53795ce 100644
--- a/src/layout/components/ESignatureDialog.vue
+++ b/src/layout/components/ESignatureDialog.vue
@@ -96,7 +96,7 @@ export default {
 
       // 设置画笔样式
       this.ctx.strokeStyle = "#000000";
-      this.ctx.lineWidth = 2;
+      this.ctx.lineWidth = 8;
       this.ctx.lineCap = "round";
       this.ctx.lineJoin = "round";