diff --git a/examples/all.png b/examples/all.png
index b9d9114..716f88d 100644
Binary files a/examples/all.png and b/examples/all.png differ
diff --git a/examples/captcha.png b/examples/captcha.png
index b5af094..ef1f0bb 100644
Binary files a/examples/captcha.png and b/examples/captcha.png differ
diff --git a/examples/default.png b/examples/default.png
index e6e0ec8..466b322 100644
Binary files a/examples/default.png and b/examples/default.png differ
diff --git a/examples/dimension.png b/examples/dimension.png
index 32d86bc..55b3252 100644
Binary files a/examples/dimension.png and b/examples/dimension.png differ
diff --git a/ts-script/extra.ts b/ts-script/extra.ts
index 05388b1..e5b37ee 100644
--- a/ts-script/extra.ts
+++ b/ts-script/extra.ts
@@ -57,7 +57,6 @@ export function createCaptchaSync(width: number, height: number, option: CreateC
 
     
     captcha.drawCaptcha(option.captcha);
-    const text = captcha.text;
 
     captcha.drawTrace(option.trace);