diff --git a/ducking.html b/ducking.html
index 4ec31b5..d66cec1 100644
--- a/ducking.html
+++ b/ducking.html
@@ -680,7 +680,7 @@
             let barHeight = `calc(${pct}% + ${$thumb[0].clientHeight / 2}px)`;
             $bar.attr('style', `height:${barHeight}`)
 
-            let number = ((input.val() * (1990 / 100)) + 10).toFixed(1)
+            let number = parseInt(((input.val() * (1990 / 100)) + 10).toFixed(1))
             $value.val(`${number}`);
             //调用接口提交数据
             if (number == -0) {