diff --git a/RIZO.Service/PLCBackground/Stations/Into/PlcIntoStationService_Common.cs b/RIZO.Service/PLCBackground/Stations/Into/PlcIntoStationService_Common.cs
index ab5b90c..d43eccf 100644
--- a/RIZO.Service/PLCBackground/Stations/Into/PlcIntoStationService_Common.cs
+++ b/RIZO.Service/PLCBackground/Stations/Into/PlcIntoStationService_Common.cs
@@ -187,12 +187,8 @@ namespace RIZO.Service.PLCBackground.Stations.Into
 
             //2上工位无记录
 
-            //ProcessOperation LastOperation1 = processOperations.Where(operation => operation.OperationSeq < processOperations.Where(it => it.OperationCode == workstationCode).Select(it => it.OperationSeq).First()).OrderByDescending(operation => operation.OperationSeq).First();
-            //var LastOperationSeqObject = processOperations
-            //    .Where(operation => operation.OperationCode == workstationCode)
-            //    .FirstOrDefault();
             var LastOperationSeqObject = processOperations?.Where(operation =>
-                 string.Equals(operation.OperationCode, workstationCode, StringComparison.OrdinalIgnoreCase))
+                 string.Equals(CleanString(operation.OperationCode), CleanString(workstationCode), StringComparison.OrdinalIgnoreCase))
             .FirstOrDefault();
             if (LastOperationSeqObject.LastOperationSeq != 0)
             {
@@ -207,8 +203,8 @@ namespace RIZO.Service.PLCBackground.Stations.Into
                 // 3. 构建并执行真正的异步查询（补充执行方法，使 await 生效）
                 var ExistLastOperationRecord = await DbScoped.SugarScope.CopyNew()
                     .Queryable<ProductPassStationRecord>()
-                      .Where(it => it.ProductSN == productSN)
-                    .Where(it => it.OperationCode == cleanOperationCode) // 使用清理后的字符串匹配
+                      .Where(it => CleanString(it.ProductSN) == productSN)
+                    .Where(it => CleanString(it.OperationCode) == cleanOperationCode) // 使用清理后的字符串匹配
                                                                          // 补充：根据需求选择合适的执行方法（二选一或其他）
                     .ToListAsync(); // 推荐：返回符合条件的所有数据（列表）
                                     // .FirstOrDefaultAsync(); // 若只需返回第一条数据，用这个（无匹配返回 null）
@@ -218,18 +214,10 @@ namespace RIZO.Service.PLCBackground.Stations.Into
                     return EntryPermissionResult.NoRecordAtPreviousStation;
                 }
 
-                //// 3  上工位NG  入站或者出站结果 NG 
-                //bool isExistLastOperationNG =  Context.Queryable<ProductPassStationRecord>()
-                //                 .Where(it => it.ProductSN == productSN)
-                //                  .Where(it => it.OperationCode == cleanOperationCode)
-                //                  .Where(it =>  it.PasstationType == 3)
-                //                  .Where(it => it.ResultCode == 1)
-                //                  .Any();
-
                 // 3  上工位NG  入站或者出站结果 NG 
                 var ExistLastOperationNG = Context.Queryable<ProductPassStationRecord>()
-                                 .Where(it => it.ProductSN == productSN)
-                                  .Where(it => it.OperationCode == cleanOperationCode)
+                                 .Where(it => CleanString(it.ProductSN) == productSN)
+                                  .Where(it => CleanString(it.OperationCode) == cleanOperationCode)
                                   .Where(it => it.PasstationType == 3)
                                   .Where(it => it.ResultCode == 1).ToList();
 
@@ -267,7 +255,7 @@ namespace RIZO.Service.PLCBackground.Stations.Into
                     // 上一站的出站时间 和本站的请求时间差值
                     DateTime LastInStationTime = await Context.Queryable<ProductPassStationRecord>()
                                     .Where(it => it.ProductSN == productSN)
-                                    .Where(it => it.OperationCode == cleanOperationCode)
+                                    .Where(it => CleanString(it.OperationCode) == cleanOperationCode)
                                     .Where(it => it.PasstationType == 3)
                                     .MaxAsync(it => it.OutStationTime ?? DateTime.MinValue);
                     TimeSpan timeDiff = DateTime.Now - LastInStationTime;
@@ -325,6 +313,21 @@ namespace RIZO.Service.PLCBackground.Stations.Into
             return result;
         }
 
+        private string CleanString(string input)
+        {
+            if (string.IsNullOrEmpty(input))
+            {
+                return string.Empty;
+            }
+            // 清洗逻辑：
+            // 1. Trim()：去除前后普通半角空格
+            // 2. 替换全角空格、制表符、换行符、回车符（常见隐藏空白字符）
+            return input.Trim()
+                        .Replace("　", "") // 替换全角空格（中文输入法空格）
+                        .Replace("\t", "") // 替换制表符
+                        .Replace("\n", "") // 替换换行符
+                        .Replace("\r", ""); // 替换回车符
+        }