diff --git a/src/server/conf/charge/charge_cfg.go b/src/server/conf/charge/charge_cfg.go
index 1751895d..d601ff42 100644
--- a/src/server/conf/charge/charge_cfg.go
+++ b/src/server/conf/charge/charge_cfg.go
@@ -239,9 +239,14 @@ func GetSpecialShopGrade(Money float64, Type int) int {
 	if len(l) == 0 {
 		return 0
 	}
-
+	maxMoney := 0.0
 	for _, v := range l {
-		if Money <= v.money {
+		if Money >= v.money {
+			maxMoney = max(maxMoney, v.money)
+		}
+	}
+	for _, v := range l {
+		if v.money == maxMoney {
 			return v.id
 		}
 	}
diff --git a/src/server/test/charge_test.go b/src/server/test/charge_test.go
new file mode 100644
index 00000000..ebfdf76d
--- /dev/null
+++ b/src/server/test/charge_test.go
@@ -0,0 +1,13 @@
+package test
+
+import (
+	"server/game"
+	"testing"
+)
+
+func TestSpecialCharge(t *testing.T) {
+	p1 := new(game.Player)
+	p1.InitPlayer("3625212")
+	ChargeMod := p1.GetChargeMod()
+	ChargeMod.ZeroUpdate(nil)
+}