diff --git a/app/Extend/SystemUtil.php b/app/Extend/SystemUtil.php
index d53a0c2..3d6e398 100644
--- a/app/Extend/SystemUtil.php
+++ b/app/Extend/SystemUtil.php
@@ -86,7 +86,7 @@ class SystemUtil
         // 根据单位转换距离
         $distance = $earthRadius * $c;
         return match ($unit) {
-            1 => $distance,                 //公里
+            1 => round($distance,5),                 //公里
             2 => $distance * 1000,       //英尺
             3 => $distance * 3280.84,          //米
             default => 0,