diff --git a/北京北汽/Controller/EC_CONTROLLER_SUPPLIER.cs b/北京北汽/Controller/EC_CONTROLLER_SUPPLIER.cs
index af486ac..c58a525 100644
--- a/北京北汽/Controller/EC_CONTROLLER_SUPPLIER.cs
+++ b/北京北汽/Controller/EC_CONTROLLER_SUPPLIER.cs
@@ -138,7 +138,7 @@ namespace CK.SCP.Controller
                     {
                         q = q.Where(p => p.TaxZone.Contains(p_entity.TaxZone));
                     }
-                    if (p_entity.TaxClass != 0)
+                    if (p_entity.TaxClass != "0")
                     {
                         q = q.Where(p => p.TaxClass == p_entity.TaxClass);
                     }
diff --git a/北京北汽/Models/ExchangeCenterTables/TES_SUPPLIER.cs b/北京北汽/Models/ExchangeCenterTables/TES_SUPPLIER.cs
index 0c9ae83..11ae33e 100644
--- a/北京北汽/Models/ExchangeCenterTables/TES_SUPPLIER.cs
+++ b/北京北汽/Models/ExchangeCenterTables/TES_SUPPLIER.cs
@@ -341,7 +341,7 @@ namespace CK.SCP.Models.ExchangeCenterTables
                 public string MiscTax3 { get; set; }
                 public bool TaxInCity { get; set; }
                 public string TaxZone { get; set; }
-                public int TaxClass { get; set; }
+                public string TaxClass { get; set; }
                 public string TaxUsage { get; set; }
                 public bool Compens { get; set; }
                 public string GlProfileInvoice { get; set; }