diff --git a/src/api/captcha/canvas.ts b/src/api/captcha/canvas.ts
index c86cf71..ab7eac8 100644
--- a/src/api/captcha/canvas.ts
+++ b/src/api/captcha/canvas.ts
@@ -35,7 +35,7 @@ const build = (img: HTMLImageElement, sizes: number[]): [number, string] => {
     const ctx = canvas.getContext('2d')
 
     const coordinate = size / 2
-    const moveX = Math.floor(Math.random() * (max - min + 1)) + 0
+    const moveX = Math.floor(Math.random() * (max - min + 1))
 
     ctx?.beginPath()
     ctx?.translate(coordinate, coordinate)