diff --git a/MyCode.Project.OutSideService/Implementation/KingDeeService.cs b/MyCode.Project.OutSideService/Implementation/KingDeeService.cs
index 67557ee..79e7758 100644
--- a/MyCode.Project.OutSideService/Implementation/KingDeeService.cs
+++ b/MyCode.Project.OutSideService/Implementation/KingDeeService.cs
@@ -98,7 +98,7 @@ namespace MyCode.Project.OutSideService.Implementation
             {
                 FormId = "BD_Supplier",
                 FieldKeys = "FNumber,FCountry,FName",
-                Limit = 200,
+                Limit = 900000,
                 StartRow = 0,
             };
             string json = JsonHelper.ToJson(billQuery);
@@ -125,7 +125,7 @@ namespace MyCode.Project.OutSideService.Implementation
             {
                 FormId = "ORG_Organizations",
                 FieldKeys = "FNumber,FName,FORGID",
-                Limit = 200,
+                Limit = 90000,
                 StartRow = 0,
             };
             string json = JsonHelper.ToJson(billQuery);
diff --git a/MyCode.Project.Services/Implementation/PurchaseOrder/PurchaseOrderService.cs b/MyCode.Project.Services/Implementation/PurchaseOrder/PurchaseOrderService.cs
index 174e88f..ccbd3d5 100644
--- a/MyCode.Project.Services/Implementation/PurchaseOrder/PurchaseOrderService.cs
+++ b/MyCode.Project.Services/Implementation/PurchaseOrder/PurchaseOrderService.cs
@@ -90,13 +90,19 @@ namespace MyCode.Project.Services.Implementation
             List<ItemResult> result = new List<ItemResult>();
             var resultString = _kingDeeService.GetBDSupplier();
             List<dynamic> data = JsonHelper.ToObject<List<dynamic>>(resultString);
+            Dictionary<string, string> keyValuePairs = new Dictionary<string, string>();
             foreach (var item in data)
             {
-                ItemResult kk = new ItemResult();
-                kk.Text = item["FName"];
-                kk.Value = item["FNumber"];
-                result.Add(kk);
+                if (!keyValuePairs.ContainsKey((string) item["FNumber"]))
+                {
+                    keyValuePairs.Add((string) item["FNumber"], (string) item["FName"]);
+                    ItemResult kk = new ItemResult();
+                    kk.Text = item["FName"];
+                    kk.Value = item["FNumber"];
+                    result.Add(kk);
+                }
             }
+            result = result.Distinct().ToList();
             result = result.OrderBy(t => t.Value).ToList();
             return result;
         }