diff --git a/api-admin/src/main/java/com/glxp/api/admin/controller/basic/CorpImportLogController.java b/api-admin/src/main/java/com/glxp/api/admin/controller/basic/CorpImportLogController.java
index 8b20ca54..18dc4251 100644
--- a/api-admin/src/main/java/com/glxp/api/admin/controller/basic/CorpImportLogController.java
+++ b/api-admin/src/main/java/com/glxp/api/admin/controller/basic/CorpImportLogController.java
@@ -126,7 +126,7 @@ public class CorpImportLogController {
             //解析数据
             try {
                 String fileType = fileName.substring(fileName.lastIndexOf("."));
-                if (".udi".equalsIgnoreCase(fileType)) {
+                if (".udi".equalsIgnoreCase(fileType) || ".LowerIn".equalsIgnoreCase(fileType)) {
                     String jsonData = IoUtil.read(file.getInputStream()).toString();
                     BasicUnitMaintainExportResponse data = JSONUtil.toBean(jsonData, BasicUnitMaintainExportResponse.class);
 
diff --git a/api-admin/src/main/java/com/glxp/api/admin/util/FilterUdiUtils.java b/api-admin/src/main/java/com/glxp/api/admin/util/FilterUdiUtils.java
index 85a7fff1..a4dbf9d9 100644
--- a/api-admin/src/main/java/com/glxp/api/admin/util/FilterUdiUtils.java
+++ b/api-admin/src/main/java/com/glxp/api/admin/util/FilterUdiUtils.java
@@ -57,8 +57,8 @@ public class FilterUdiUtils {
                             } else {
                                 serialNo = null;
                             }
-                        }else{
-                            if (last.length() >= 10 && last.substring(8, 10).equals("21")){
+                        } else {
+                            if (last.length() >= 10 && last.substring(8, 10).equals("21")) {
                                 serialNo = last.substring(10);
                             }
                         }
@@ -71,8 +71,8 @@ public class FilterUdiUtils {
                             } else {
                                 serialNo = null;
                             }
-                        }else {
-                            if (last.length() >= 10 && last.substring(8, 10).equals("21")){
+                        } else {
+                            if (last.length() >= 10 && last.substring(8, 10).equals("21")) {
                                 serialNo = last.substring(10);
                             }
                         }
@@ -97,7 +97,7 @@ public class FilterUdiUtils {
                             batchNo = data.substring(34, data.length());
                         }
 
-                    }else if (data.length() >= 34 && data.substring(32, 34).equals("21")) {
+                    } else if (data.length() >= 34 && data.substring(32, 34).equals("21")) {
                         serialNo = data.substring(34, data.length());
                     }
                 } else if (data.length() >= 26 && data.substring(24, 26).equals("10")) {
@@ -177,7 +177,9 @@ public class FilterUdiUtils {
         Gs1128Decoder decoder = engine.decoder();
         Map<AI, String> result = decoder.decode("]C1" + data);
         UdiEntity udiEntity = new UdiEntity();
+        int length = 0;
         for (Map.Entry<AI, String> entry : result.entrySet()) {
+            length = length + entry.getValue().length();
             if (entry.getKey() == AIs.GTIN) {
                 udiEntity.setUdi(entry.getValue());
             } else if (entry.getKey() == AIs.BATCH_LOT) {
@@ -190,6 +192,10 @@ public class FilterUdiUtils {
                 udiEntity.setSerialNo(entry.getValue());
             }
         }
+
+        if (data.length() - length > 12) {
+            return null;
+        }
         if (StrUtil.isEmpty(udiEntity.getUdi())) {
             return null;
         } else
@@ -298,11 +304,13 @@ public class FilterUdiUtils {
         }
         return data;
     }
+
     public static String transGlxpNoSerStr(WarehouseEntity warehouseEntity) {
         String udiCode = "#" + warehouseEntity.getNameCode() + "#" + warehouseEntity.getProduceDate() + "#" + warehouseEntity.getExpireDate() +
                 "#" + warehouseEntity.getBatchNo() + "#" + "#" + "#";
         return udiCode;
     }
+
     public static String transGlxpNoSerStr(UdiEntity warehouseEntity) {
         String udiCode = "#" + warehouseEntity.getUdi() + "#" + warehouseEntity.getProduceDate() + "#" + warehouseEntity.getExpireDate() +
                 "#" + warehouseEntity.getBatchNo() + "#" + "#" + "#";