diff --git a/src/settings/designSetting.ts b/src/settings/designSetting.ts
index d49ecfb..d413ea0 100644
--- a/src/settings/designSetting.ts
+++ b/src/settings/designSetting.ts
@@ -24,7 +24,7 @@ export const theme = {
 export const chartInitConfig = {
   x: 50,
   y: 50,
-  w: 500,
+  w: 450,
   h: 300,
   // 不建议动 offset
   offsetX: 0,