diff --git a/Myshipping.Core/Util/JsonUtil.cs b/Myshipping.Core/Util/JsonUtil.cs
index 3974e583..a0531ead 100644
--- a/Myshipping.Core/Util/JsonUtil.cs
+++ b/Myshipping.Core/Util/JsonUtil.cs
@@ -196,22 +196,19 @@ public static class JsonUtil
                     prop.SetValue(model, sourceVal.ToString().Replace("’", "'"));
                     prop.SetValue(model, sourceVal.ToString().Replace("、", ","));
                     prop.SetValue(model, sourceVal.ToString().Replace(" ", " "));
-                    if (Regex.IsMatch(sourceVal.ToString(), @"[\u4e00-\u9fa5]")&& propName.ToUpper() == "MBLNO")
+                    if (Regex.IsMatch(sourceVal.ToString(), @"^[a-zA-Z0-9]+$") && propName.ToUpper() == "MBLNO")
                     {
-                        return "提单号存在中文字符";
-                         
+                        return "提单号存在中文字符或特殊字符";
                     }
 
                     if (Regex.IsMatch(sourceVal.ToString(), @"[\u4e00-\u9fa5]") && propName.ToUpper() == "HBLNO")
                     {
                         return "分提单号存在中文字符";
-
                     }
 
                     if (Regex.IsMatch(sourceVal.ToString(), @"[\u4e00-\u9fa5]") && propName.ToUpper() == "VESSEL")
                     {
                         return "船名存在中文字符";
-
                     }
                     if (Regex.IsMatch(sourceVal.ToString(), @"[\u4e00-\u9fa5]") && propName.ToUpper() == "VOYNO")
                     {