diff --git a/src/main/java/com/bonus/gzcar/business/backstage/service/HomeIndexServiceImpl.java b/src/main/java/com/bonus/gzcar/business/backstage/service/HomeIndexServiceImpl.java
index 46128fe..16a57c9 100644
--- a/src/main/java/com/bonus/gzcar/business/backstage/service/HomeIndexServiceImpl.java
+++ b/src/main/java/com/bonus/gzcar/business/backstage/service/HomeIndexServiceImpl.java
@@ -350,7 +350,7 @@ public class HomeIndexServiceImpl implements HomeIndexService {
             BigDecimal a = BigDecimal.valueOf(value);
             BigDecimal b = BigDecimal.valueOf(value2);
             // 设置保留两位小数，并进行四舍五入
-            BigDecimal result = b.divide(a, 2, RoundingMode.HALF_UP);
+            BigDecimal result = b.divide(a, 4, RoundingMode.HALF_UP);
             return result.multiply(new BigDecimal("100")).doubleValue();
         } else {
             return 0;