diff --git a/commission.go b/commission.go
index 02ba665..14c71ee 100644
--- a/commission.go
+++ b/commission.go
@@ -85,16 +85,16 @@ func DistributionPrice(business map[string]string, productSpecialPrice []map[str
 		switch {
 		case strings.Contains(formula, "+"):
 			price = strings.Split(formula, "+")
-			result = FloatAdd(price[0], price[1])
+			result = helper.FloatAdd(price[0], price[1])
 		case strings.Contains(formula, "-"):
 			price = strings.Split(formula, "-")
-			result = FloatSub(price[0], price[1])
+			result = helper.FloatSub(price[0], price[1])
 		case strings.Contains(formula, "*"):
 			price = strings.Split(formula, "*")
-			result = FloatMul(price[0], price[1], 2)
+			result = helper.FloatMul(price[0], price[1], 2)
 		case strings.Contains(formula, "/"):
 			price = strings.Split(formula, "/")
-			result = FloatQuo(price[0], price[1], 2)
+			result = helper.FloatQuo(price[0], price[1], 2)
 		default:
 			//使用固定价格或者使用基础分销价
 			if formula != "" {
@@ -109,7 +109,7 @@ func DistributionPrice(business map[string]string, productSpecialPrice []map[str
 			return 0, errors.New("商品价格错误")
 		}
 		price = strings.Split(percent_age, ":")
-		totalCommission := FloatSub(productPrice, distributionPrice) //总佣金
+		totalCommission := helper.FloatSub(productPrice, distributionPrice) //总佣金
 
 		if totalCommission <= 0 {
 			return helper.ToFloat64(productPrice) //总佣金为负，返回商品原价
@@ -120,7 +120,7 @@ func DistributionPrice(business map[string]string, productSpecialPrice []map[str
 			var totalPercent, cent, commission float64 //总分配份数,分销比例,获得的佣金
 			switch level_count {
 			case 3:
-				totalPercent = FloatAdd(price[0], price[1], price[2])
+				totalPercent = helper.FloatAdd(price[0], price[1], price[2])
 				if totalPercent <= 0 {
 					result = distribution_price_float //佣金分配比例为0，返回基础分销价
 				} else {
@@ -130,17 +130,17 @@ func DistributionPrice(business map[string]string, productSpecialPrice []map[str
 						cent = 1 //分销比例
 					case "2":
 						//二级分销商得到所有佣金
-						cent = FloatQuo(FloatAdd(price[0], price[1]), totalPercent) //分销比例
+						cent = helper.FloatQuo(helper.FloatAdd(price[0], price[1]), totalPercent) //分销比例
 					case "0", "3":
 						//三级或无级别分销商得到所有佣金
-						cent = FloatQuo(price[0], totalPercent) //分销比例
+						cent = helper.FloatQuo(price[0], totalPercent) //分销比例
 					}
-					commission = FloatMul(totalCommission, cent, 2)
+					commission = helper.FloatMul(totalCommission, cent, 2)
 
-					result = FloatSub(productPrice, commission) //分销价＝商品价－佣金
+					result = helper.FloatSub(productPrice, commission) //分销价＝商品价－佣金
 				}
 			case 2:
-				totalPercent = FloatAdd(price[0], price[1])
+				totalPercent = helper.FloatAdd(price[0], price[1])
 				if totalPercent <= 0 {
 					result = distribution_price_float //佣金分配比例为0，返回基础分销价
 				} else {
@@ -150,10 +150,10 @@ func DistributionPrice(business map[string]string, productSpecialPrice []map[str
 						cent = 1 //分销比例
 					case "0", "2":
 						//二级或无级别分销商得到所有佣金
-						cent = FloatQuo(price[0], totalPercent) //分销比例
+						cent = helper.FloatQuo(price[0], totalPercent) //分销比例
 					}
-					commission = FloatMul(totalCommission, cent, 2)
-					result = FloatSub(productPrice, commission) //分销价＝商品价－佣金
+					commission = helper.FloatMul(totalCommission, cent, 2)
+					result = helper.FloatSub(productPrice, commission) //分销价＝商品价－佣金
 				}
 			case 1:
 				//只有一级
@@ -214,16 +214,16 @@ func VipPrice(productSpecialPrice []map[string]string, productPrice interface{})
 	switch {
 	case strings.Contains(formula, "+"):
 		price = strings.Split(formula, "+")
-		result = FloatAdd(price[0], price[1])
+		result = helper.FloatAdd(price[0], price[1])
 	case strings.Contains(formula, "-"):
 		price = strings.Split(formula, "-")
-		result = FloatSub(price[0], price[1])
+		result = helper.FloatSub(price[0], price[1])
 	case strings.Contains(formula, "*"):
 		price = strings.Split(formula, "*")
-		result = FloatMul(price[0], price[1], 2)
+		result = helper.FloatMul(price[0], price[1], 2)
 	case strings.Contains(formula, "/"):
 		price = strings.Split(formula, "/")
-		result = FloatQuo(price[0], price[1], 2)
+		result = helper.FloatQuo(price[0], price[1], 2)
 	default:
 		result = product_price_float
 	}