diff --git a/JD.API/Startup.cs b/JD.API/Startup.cs
index 9bdcd3e4..e2e13b18 100644
--- a/JD.API/Startup.cs
+++ b/JD.API/Startup.cs
@@ -12,6 +12,7 @@ using System;
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using Yitter.IdGenerator;
 
 namespace JD.API
 {
@@ -41,6 +42,9 @@ namespace JD.API
 
             var fsql = new FreeSql.FreeSqlBuilder().UseConnectionString(FreeSql.DataType.MySql, Configuration.GetConnectionString("DB")).Build();
             services.AddSingleton(typeof(IFreeSql), fsql);
+            var idOption = new IdGeneratorOptions(1);
+            var idGenerator = new DefaultIdGenerator(idOption);
+            services.AddSingleton(typeof(IIdGenerator), idGenerator);
 
             services.AddCors(options =>
             {