diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/MaterialInventoryUtilsExt.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/MaterialInventoryUtilsExt.java
index 28174e5..dc20c6c 100644
--- a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/MaterialInventoryUtilsExt.java
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/MaterialInventoryUtilsExt.java
@@ -225,6 +225,12 @@ public class MaterialInventoryUtilsExt {
         for (Map.Entry<String, BigDecimal> entry : materialQtyMap.entrySet()) {
             String materialKey = entry.getKey();
             String[] keys = materialKey.split("\\|");
+
+            if (keys.length < 4) {
+                log.error("Invalid material key format: " + materialKey);
+                continue; // 跳过无效数据
+            }
+
             String matId = keys[0];
             String modelnum = keys[1];
             String lot = keys[2];