diff --git a/app/admin/apis/inventorymanage/allot.go b/app/admin/apis/inventorymanage/allot.go
index 93e3eef..5b93443 100644
--- a/app/admin/apis/inventorymanage/allot.go
+++ b/app/admin/apis/inventorymanage/allot.go
@@ -119,7 +119,7 @@ func InventoryAllotAudit(c *gin.Context) {
 
 	err := models.AuditAllotInventory(req, c)
 	if err != nil {
-		app.Error(c, http.StatusInternalServerError, err, "审核失败:"+err.Error())
+		app.Error(c, http.StatusInternalServerError, err, "审核失败："+err.Error())
 		return
 	}
 
diff --git a/app/admin/apis/inventorymanage/change.go b/app/admin/apis/inventorymanage/change.go
index 34a954b..96ec865 100644
--- a/app/admin/apis/inventorymanage/change.go
+++ b/app/admin/apis/inventorymanage/change.go
@@ -123,7 +123,7 @@ func InventoryChangeAudit(c *gin.Context) {
 
 	err := models.AuditChangeInventory(req, c)
 	if err != nil {
-		app.Error(c, http.StatusInternalServerError, err, "审核失败:"+err.Error())
+		app.Error(c, http.StatusInternalServerError, err, "审核失败："+err.Error())
 		return
 	}
 
diff --git a/app/admin/apis/inventorymanage/product.go b/app/admin/apis/inventorymanage/product.go
index c444a42..b73f019 100644
--- a/app/admin/apis/inventorymanage/product.go
+++ b/app/admin/apis/inventorymanage/product.go
@@ -118,7 +118,7 @@ func ProductInventoryAudit(c *gin.Context) {
 
 	err := models.AuditProductInventory(req, c)
 	if err != nil {
-		app.Error(c, http.StatusInternalServerError, err, "审核失败:"+err.Error())
+		app.Error(c, http.StatusInternalServerError, err, "审核失败："+err.Error())
 		return
 	}
 
diff --git a/app/admin/apis/purchasemanage/purchase.go b/app/admin/apis/purchasemanage/purchase.go
index af450dd..4ec67eb 100644
--- a/app/admin/apis/purchasemanage/purchase.go
+++ b/app/admin/apis/purchasemanage/purchase.go
@@ -372,6 +372,10 @@ func ErpPurchaseAudit(c *gin.Context) {
 			app.Error(c, http.StatusInternalServerError, err, "取消审核失败:[已终止]订单不能取消")
 			return
 		} else {
+			if model.IsMonthEndClosed(*erpPurchaseOrder.AuditTime) {
+				app.Error(c, http.StatusInternalServerError, errors.New("反审核失败，财务已月结"), "反审核失败，财务已月结")
+				return
+			}
 			orderState = model.ErpPurchaseOrderUnAudit
 			// 更新库存信息
 			err = model.CancelAuditUpdateStock(begin, erpPurchaseOrder)
diff --git a/app/admin/models/inventory_allot.go b/app/admin/models/inventory_allot.go
index eafd79c..62b4027 100644
--- a/app/admin/models/inventory_allot.go
+++ b/app/admin/models/inventory_allot.go
@@ -596,6 +596,9 @@ func AuditAllotInventory(req *InventoryAllotAuditReq, c *gin.Context) error {
 		if inventoryAllotOrder.State == ErpInventoryAllotOrderUnAudit { // 订单未审核
 			return errors.New("订单是未审核状态，无需取消审核")
 		}
+		if IsMonthEndClosed(*inventoryAllotOrder.AuditTime) {
+			return errors.New("财务已月结")
+		}
 		// 更新商品的库存状态
 		err = cancelAllotAuditAndUpdateStock(begin, inventoryAllotOrder)
 		if err != nil {
diff --git a/app/admin/models/inventory_change.go b/app/admin/models/inventory_change.go
index f466eaa..38c54b0 100644
--- a/app/admin/models/inventory_change.go
+++ b/app/admin/models/inventory_change.go
@@ -573,6 +573,9 @@ func AuditChangeInventory(req *InventoryChangeAuditReq, c *gin.Context) error {
 		if inventoryChangeOrder.State == ErpInventoryChangeOrderUnAudit { // 订单未审核
 			return errors.New("订单是未审核状态，无需取消审核")
 		}
+		if IsMonthEndClosed(*inventoryChangeOrder.AuditTime) {
+			return errors.New("财务已月结")
+		}
 		orderState = ErpInventoryChangeOrderUnAudit
 	default:
 		logger.Error("order err, req.State is:", logger.Field("req.State", req.State))
diff --git a/app/admin/models/inventory_product.go b/app/admin/models/inventory_product.go
index add47bc..747a1db 100644
--- a/app/admin/models/inventory_product.go
+++ b/app/admin/models/inventory_product.go
@@ -485,6 +485,9 @@ func AuditProductInventory(req *ProductInventoryAuditReq, c *gin.Context) error
 		if inventoryProductOrder.State == ErpInventoryProductOrderUnAudit { // 订单未审核
 			return errors.New("订单是未审核状态，无需取消审核")
 		}
+		if IsMonthEndClosed(*inventoryProductOrder.AuditTime) {
+			return errors.New("财务已月结")
+		}
 		// 退库-更新库存信息
 		err = cancelProductAuditAndUpdateStock(begin, inventoryProductOrder)
 		if err != nil {
diff --git a/app/admin/models/month_end_closing.go b/app/admin/models/month_end_closing.go
index dcbc6c7..508d406 100644
--- a/app/admin/models/month_end_closing.go
+++ b/app/admin/models/month_end_closing.go
@@ -304,3 +304,27 @@ type ErpMonthEndClosingAuditReq struct {
 type ErpMonthEndClosingDateResp struct {
 	StartDate string `json:"start_date"` // 月结开始时间
 }
+
+// IsMonthEndClosed 判断当前日期是否已月结
+func IsMonthEndClosed(date time.Time) bool {
+	// 获取当前月份的第一天
+	firstDayOfMonth := time.Date(date.Year(), date.Month(), 1, 0, 0, 0, 0, date.Location())
+
+	// 查询已月结的记录，找到最新的月结记录
+	var erpMonthEndOrder ErpMonthEndClosing
+	err := orm.Eloquent.Table("erp_month_end_closing").
+		Where("closing_end_date >= ? AND state = ?", firstDayOfMonth, ErpMonthEndClosingAudited).
+		Order("closing_end_date desc").
+		First(&erpMonthEndOrder).Error
+	if err != nil {
+		// 如果没有找到已月结记录，直接返回 false
+		if err == RecordNotFound {
+			return false
+		}
+		logger.Error("Query month end closing record error:", logger.Field("err", err))
+		return false
+	}
+
+	// 判断传入的时间是否早于已月结记录的截止日期
+	return date.Before(erpMonthEndOrder.ClosingEndDate)
+}