diff --git a/src/util.js b/src/util.js
index 3856ef2..147011a 100644
--- a/src/util.js
+++ b/src/util.js
@@ -326,8 +326,7 @@ const calcNormalBowTarget = (x, y, diameter) => {
   // 计算相对距离（0-1之间）
   let relativeDistance = distance / targetRadius;
 
-  relativeDistance -= 0.005;
-
+  relativeDistance += 0.005;
   // 全环靶有10个环，每个环占半径的10%
   // 从外到内：1环到10环
   // 距离越近靶心，环数越高
@@ -370,13 +369,12 @@ const calcHalfBowTarget = (x, y, diameter, noX = false) => {
 
   // 计算相对距离（0-1之间）
   let relativeDistance = distance / targetRadius;
-  relativeDistance -= 0.004;
   if (relativeDistance <= 0.1) return noX ? 10 : "X";
   if (relativeDistance <= 0.2) return noX ? 9 : 10;
   if (relativeDistance <= 0.4) return 9;
   if (relativeDistance <= 0.6) return 8;
   if (relativeDistance <= 0.8) return 7;
-  if (relativeDistance <= 1.0) return 6;
+  if (relativeDistance <= 0.992) return 6;
 
   return 0; // 脱靶
 };