diff --git a/src/views/modules/inventory/label-query.vue b/src/views/modules/inventory/label-query.vue
index 22454fe..fa8adf5 100644
--- a/src/views/modules/inventory/label-query.vue
+++ b/src/views/modules/inventory/label-query.vue
@@ -338,6 +338,10 @@ export default {
         this.$message.error('没有可打印的标签信息');
         return;
       }
+      if (!this.labelInfo.site) {
+        this.$message.error('标签缺少工厂编码，无法打印');
+        return;
+      }
       let printLabelType;
       if (this.labelInfo.partNo && this.labelInfo.partNo.startsWith("80")) {
         printLabelType = '库存成品标签';
@@ -365,7 +369,8 @@ export default {
         const printRequest = {
           userId: localStorage.getItem('userName'),
           username: localStorage.getItem('userName'),
-          site: localStorage.getItem('site'),
+          // 查询已不再按登录工厂过滤，打印必须用当前 HandlingUnit.site，否则会按错工厂取标签数据
+          site: this.labelInfo.site,
           unitIds: unitIds,
           labelType: printLabelType
         };
@@ -428,12 +433,18 @@ export default {
         this.$message.error('拆分数量必须小于当前数量');
         return;
       }
+
+      if (!this.labelInfo.site) {
+        this.$message.error('标签缺少工厂编码，无法拆分');
+        return;
+      }
       
       this.splitLoading = true;
       
       try {
         const { data } = await splitLabel({
-          site: this.site,
+          // 拆分按 site + unitId 定位原标签，必须用 HandlingUnit.site，不能用登录工厂
+          site: this.labelInfo.site,
           unitId: this.labelInfo.unitId,
           splitQty: splitQty,
           operatorName: localStorage.getItem('userName')