diff --git a/Hadoop/ZKLT.Hadoop.API/Program.cs b/Hadoop/ZKLT.Hadoop.API/Program.cs
index 3d373ef..98637bc 100644
--- a/Hadoop/ZKLT.Hadoop.API/Program.cs
+++ b/Hadoop/ZKLT.Hadoop.API/Program.cs
@@ -40,34 +40,34 @@ namespace ZKLT.Hadoop.API
             app.UseCors("all");
             #endregion
 
-            app.UseHadoop((c) =>
-            {
-                c.Host = "127.0.0.1";
-                c.Account = "root";
-                c.PassWord = "root";
-                c.Key = "devdb";
-                c.Port = 3306;
-            });
-
-
             //app.UseHadoop((c) =>
             //{
-            //    c.Host = "172.17.0.1";
+            //    c.Host = "127.0.0.1";
             //    c.Account = "root";
             //    c.PassWord = "root";
-            //    c.Key = "testdb";
-            //    c.Port = 4000;
+            //    c.Key = "devdb";
+            //    c.Port = 3306;
             //});
 
+
             //app.UseHadoop((c) =>
             //{
-            //    c.Host = "118.195.165.218";
+            //    c.Host = "172.17.0.1";
             //    c.Account = "root";
             //    c.PassWord = "root";
             //    c.Key = "testdb";
             //    c.Port = 4000;
             //});
 
+            app.UseHadoop((c) =>
+            {
+                c.Host = "118.195.165.218";
+                c.Account = "root";
+                c.PassWord = "root";
+                c.Key = "testdb";
+                c.Port = 4000;
+            });
+
             // Configure the HTTP request pipeline.
             if (app.Environment.IsDevelopment())
             {
diff --git a/Hadoop/ZKLT.Hadoop/TableService.cs b/Hadoop/ZKLT.Hadoop/TableService.cs
index 9c28e6f..0d3658a 100644
--- a/Hadoop/ZKLT.Hadoop/TableService.cs
+++ b/Hadoop/ZKLT.Hadoop/TableService.cs
@@ -319,7 +319,7 @@ namespace ZKLT.Hadoop
                 for (var i = 0; i < table.Columns.Length; i++)
                 {
                     var _column = table.Columns[i];
-                    if (row.ContainsKey(_column.Key!))
+                    if (row.ContainsKey(_column.Key!) && row[_column.Key!] != null)
                     {
                         _colstr.Append($@"`{_column.Key!}`,");
                         _parmstr.Append($@"@{_column.Key},");
@@ -405,7 +405,7 @@ namespace ZKLT.Hadoop
                 for (var i = 0; i < table.Columns.Length; i++)
                 {
                     var _column = table.Columns[i];
-                    if (row.ContainsKey(_column.Key!) && !where.ContainsKey(_column.Key!))
+                    if (row.ContainsKey(_column.Key!) && !where.ContainsKey(_column.Key!) && row[_column.Key!] != null)
                     {
                         _colstr.Append($@"`{_column.Key!}`=@{_column.Key!},");
                         _params.Add(_column.Key!, row[_column.Key!]);