diff --git a/src/static/qr-code.png b/src/static/qr-code.png
index 082c6f7..3bad3e4 100644
Binary files a/src/static/qr-code.png and b/src/static/qr-code.png differ
diff --git a/src/util.js b/src/util.js
index d541ac6..e8ce681 100644
--- a/src/util.js
+++ b/src/util.js
@@ -219,18 +219,12 @@ export async function generateCanvasImage(canvasId, type, user, data) {
     renderLine(ctx, 77);
     renderLine(ctx, 185);
     renderScores(ctx, data.arrows);
-    ctx.drawImage(
-      "../static/device-icon.png",
-      width * 0.06,
-      height * 0.87,
-      48,
-      48
-    );
-    renderText(ctx, "射灵平台", 14, "#fff", width * 0.25, height * 0.9);
+    ctx.drawImage("../static/qr-code.png", width * 0.06, height * 0.87, 52, 52);
+    renderText(ctx, "射灵平台", 12, "#fff", width * 0.25, height * 0.9);
     renderText(
       ctx,
       "快加入我们一起玩吧~",
-      10,
+      9,
       "rgba(255, 255, 255, 0.5)",
       width * 0.25,
       height * 0.93
@@ -238,12 +232,12 @@ export async function generateCanvasImage(canvasId, type, user, data) {
     renderText(
       ctx,
       "后羿就是这样练成的",
-      10,
+      9,
       "rgba(255, 255, 255, 0.5)",
       width * 0.25,
       height * 0.955
     );
-    ctx.drawImage("../static/qr-code.png", width * 0.75, height * 0.86, 56, 56);
+    // ctx.drawImage("../static/qr-code.png", width * 0.75, height * 0.86, 56, 56);
     ctx.draw();
   } catch (err) {
     console.log(err);