diff --git a/app/admin/models/purchase.go b/app/admin/models/purchase.go
index ec0a830..b2ea995 100644
--- a/app/admin/models/purchase.go
+++ b/app/admin/models/purchase.go
@@ -1873,7 +1873,6 @@ func getErpPurchaseDemandAll(req *GetErpPurchaseDemandReq, c *gin.Context) (*Get
 
 	qs := orm.Eloquent.Debug().Table("erp_commodity")
 	if req.ErpCategoryId != 0 {
-		page = 0
 		categoryInfo, err := GetErpCategory(req.ErpCategoryId)
 		if err != nil {
 			return nil, err
@@ -1881,15 +1880,12 @@ func getErpPurchaseDemandAll(req *GetErpPurchaseDemandReq, c *gin.Context) (*Get
 		qs = qs.Where("serial_number like ?", categoryInfo.Number+"%")
 	}
 	if req.ErpCommoditySerialNumber != "" {
-		page = 0
 		qs = qs.Where("serial_number=?", req.ErpCommoditySerialNumber)
 	}
 	if req.ErpCommodityName != "" {
-		page = 0
 		qs = qs.Where("name=?", req.ErpCommodityName)
 	}
 	if req.ErpSupplierId != 0 {
-		page = 0
 		qs = qs.Where("erp_supplier_id=?", req.ErpSupplierId)
 	}
 
@@ -2051,6 +2047,9 @@ func getErpPurchaseDemandAll(req *GetErpPurchaseDemandReq, c *gin.Context) (*Get
 	} else {
 		// 计算分页
 		startIndex := page * req.PageSize
+		if startIndex > len(commodities) {
+			startIndex = 0
+		}
 		endIndex := (page + 1) * req.PageSize
 		if endIndex > len(commodities) {
 			endIndex = len(commodities)
@@ -2202,11 +2201,9 @@ func getErpPurchaseDemandHide(req *GetErpPurchaseDemandReq, c *gin.Context) (*Ge
 		}
 	}
 	if req.ErpCommodityName != "" {
-		page = 0
 		demandQs = demandQs.Where("erp_commodity_name = ?", req.ErpCommodityName)
 	}
 	if req.ErpSupplierId != 0 {
-		page = 0
 		demandQs = demandQs.Where("erp_supplier_id=?", req.ErpSupplierId)
 	}
 	err = demandQs.Find(&demand).Error
@@ -2348,6 +2345,9 @@ func getErpPurchaseDemandHide(req *GetErpPurchaseDemandReq, c *gin.Context) (*Ge
 		} else {
 			// 计算分页
 			startIndex := page * req.PageSize
+			if startIndex > len(matchedCommodities) {
+				startIndex = 0
+			}
 			endIndex := (page + 1) * req.PageSize
 			if endIndex > len(matchedCommodities) {
 				endIndex = len(matchedCommodities)