diff --git a/app/admin/models/purchase.go b/app/admin/models/purchase.go
index 1f8fe2b..c9db570 100644
--- a/app/admin/models/purchase.go
+++ b/app/admin/models/purchase.go
@@ -2530,7 +2530,6 @@ func getErpPurchaseDemandAll(req *GetErpPurchaseDemandReq, c *gin.Context) (*Get
 
 	// 并行查询需求数据
 	var wg sync.WaitGroup
-	demandDataList := make([]DemandData, len(commodities))
 
 	var tempCommodities []ErpCommodity
 	if req.IsExport == 1 {
@@ -2544,6 +2543,7 @@ func getErpPurchaseDemandAll(req *GetErpPurchaseDemandReq, c *gin.Context) (*Get
 		}
 		tempCommodities = commodities[startIndex:endIndex]
 	}
+	demandDataList := make([]DemandData, len(tempCommodities))
 
 	for i, v := range tempCommodities {
 		wg.Add(1)
@@ -2752,7 +2752,6 @@ func getErpPurchaseDemandHide(req *GetErpPurchaseDemandReq, c *gin.Context) (*Ge
 
 		// 并行查询需求数据
 		var wg sync.WaitGroup
-		demandDataList := make([]DemandData, len(matchedCommodities))
 		var tempCommodities []ErpCommodity
 		if req.IsExport == 1 {
 			tempCommodities = matchedCommodities
@@ -2765,6 +2764,7 @@ func getErpPurchaseDemandHide(req *GetErpPurchaseDemandReq, c *gin.Context) (*Ge
 			}
 			tempCommodities = matchedCommodities[startIndex:endIndex]
 		}
+		demandDataList := make([]DemandData, len(tempCommodities))
 
 		for i, v := range tempCommodities {
 			wg.Add(1)