diff --git a/Program.Options.cs b/Program.Options.cs
index 5491d3c..cc5622a 100644
--- a/Program.Options.cs
+++ b/Program.Options.cs
@@ -11,56 +11,56 @@ partial class Program
         /// </summary>
         private sealed class Options
         {
-            [Option('e', "excel", Required=true, HelpText = "输入的Excel文件路径.")]
+            [Option('e', "excel", Required=true, HelpText = "input excel file path.")]
             public string ExcelPath
             {
                 get;
                 set;
             }
 
-            [Option('j', "json", Required = false, HelpText = "指定输出的json文件路径.")]
+            [Option('j', "json", Required = false, HelpText = "export json file path.")]
             public string JsonPath
             {
                 get;
                 set;
             }
 
-            [Option('s', "sql", Required = false, HelpText = "指定输出的SQL文件路径.")]
+            [Option('s', "sql", Required = false, HelpText = "export SQL file path.")]
             public string SQLPath
             {
                 get;
                 set;
             }
 
-            [Option('p', "csharp", Required = false, HelpText = "指定输出的C#数据定义代码文件路径.")]
+            [Option('p', "csharp", Required = false, HelpText = "export C# data struct code file path.")]
             public string CSharpPath
             {
                 get;
                 set;
             }
 
-            [Option('h', "header", Required = true, HelpText = "表格中有几行是表头.")]
+            [Option('h', "header", Required = true, HelpText = "number lines in sheet as header.")]
             public int HeaderRows
             {
                 get;
                 set;
             }
 
-            [Option('c', "encoding", Required = false, DefaultValue="utf8-nobom", HelpText = "指定编码的名称.")]
+            [Option('c', "encoding", Required = false, DefaultValue="utf8-nobom", HelpText = "export file encoding.")]
             public string Encoding
             {
                 get;
                 set;
             }
 
-            [Option('l', "lowcase", Required = false, DefaultValue = false, HelpText = "字段名称自动转换为小写")]
+            [Option('l', "lowcase", Required = false, DefaultValue = false, HelpText = "convert filed name to lowcase.")]
             public bool Lowcase
             {
                 get;
                 set;
             }
 
-            [Option('a', "array", Required = false, DefaultValue = false, HelpText = "导出为数组")]
+            [Option('a', "array", Required = false, DefaultValue = false, HelpText = "export as array, otherwise as dict object.")]
             public bool ExportArray
             {
                 get;
diff --git a/Program.cs b/Program.cs
index a705fd3..ead0dc2 100644
--- a/Program.cs
+++ b/Program.cs
@@ -40,7 +40,7 @@ static void Main(string[] args)
             System.DateTime endTime = System.DateTime.Now;
             System.TimeSpan dur = endTime - startTime;
             Console.WriteLine(
-                string.Format("[{0}]：\t转换完成[{1}毫秒].",
+                string.Format("[{0}]：\tConversion complete in [{1}ms].",
                 Path.GetFileName(options.ExcelPath),
                 dur.TotalMilliseconds)
                 );
@@ -68,14 +68,14 @@ private static void Run(Options options)
                 // 数据检测
                 if (book.Tables.Count < 1)
                 {
-                    throw new Exception("Excel文件中没有找到Sheet: " + excelPath);
+                    throw new Exception("Excel file is empty: " + excelPath);
                 }
 
                 // 取得数据
                 DataTable sheet = book.Tables[0];
                 if (sheet.Rows.Count <= 0)
                 {
-                    throw new Exception("Excel Sheet中没有数据: " + excelPath);
+                    throw new Exception("Excel Sheet is empty: " + excelPath);
                 }
 
                 //-- 确定编码