diff --git a/Falcon.SugarApi/DatabaseManager/ConnectionConfigWallpaper.cs b/Falcon.SugarApi/DatabaseManager/ConnectionConfigWallpaper.cs
new file mode 100644
index 0000000..ccf99e7
--- /dev/null
+++ b/Falcon.SugarApi/DatabaseManager/ConnectionConfigWallpaper.cs
@@ -0,0 +1,31 @@
+using Microsoft.Extensions.Logging;
+using SqlSugar;
+using System;
+
+namespace Falcon.SugarApi.DatabaseManager
+{
+    /// <summary>
+    /// 连接配置
+    /// </summary>
+    public class ConnectionConfigWallpaper:ConnectionConfig
+    {
+        /// <summary>
+        /// 构造连接配置
+        /// </summary>
+        /// <param name="def">数据库定义</param>
+        public ConnectionConfigWallpaper(DatabaseDefines def) {
+            base.ConfigId = def.Name;
+            base.ConnectionString = def.ConnectionString;
+
+            foreach(var dt in Enum.GetNames(typeof(DbType))) {
+                if(dt.ToLower() == def.DbType.ToLower()) {
+                    base.DbType = (DbType)Enum.Parse(typeof(DbType),dt);
+                    break;
+                }
+            }
+            base.IsAutoCloseConnection = true;
+            base.InitKeyType = InitKeyType.Attribute;
+        }
+    }
+
+}
diff --git a/Falcon.SugarApi/DatabaseManager/DatabaseDefines.cs b/Falcon.SugarApi/DatabaseManager/DatabaseDefines.cs
new file mode 100644
index 0000000..dcf1e66
--- /dev/null
+++ b/Falcon.SugarApi/DatabaseManager/DatabaseDefines.cs
@@ -0,0 +1,28 @@
+using SqlSugar;
+
+namespace Falcon.SugarApi.DatabaseManager
+{
+    /// <summary>
+    /// 数据库定义
+    /// </summary>
+    public class DatabaseDefines
+    {
+        /// <summary>
+        /// 数据库名称
+        /// </summary>
+        public string Name { get; set; }
+        /// <summary>
+        /// 是否记录数据库log
+        /// </summary>
+        public bool UseLogger { get; set; }
+        /// <summary>
+        /// 数据库类型
+        /// </summary>
+        public string DbType { get; set; }
+        /// <summary>
+        /// 链接字符串
+        /// </summary>
+        public string ConnectionString { get; set; }
+    }
+
+}
diff --git a/Falcon.SugarApi/DatabaseManager/DbContextBase.cs b/Falcon.SugarApi/DatabaseManager/DbContextBase.cs
new file mode 100644
index 0000000..d165f59
--- /dev/null
+++ b/Falcon.SugarApi/DatabaseManager/DbContextBase.cs
@@ -0,0 +1,27 @@
+using Microsoft.Extensions.Logging;
+using SqlSugar;
+using System;
+
+namespace Falcon.SugarApi.DatabaseManager
+{
+    /// <summary>
+    /// 数据库上下文基类
+    /// </summary>
+    public abstract class DbContextBase:SqlSugarClient
+    {
+        /// <summary>
+        /// 保存数据库日志
+        /// </summary>
+        public ILogger Logger { get; set; }
+
+        /// <summary>
+        /// 使用链接配置构造数据库链接
+        /// </summary>
+        /// <param name="config">数据库配置</param>
+        /// <param name="service">服务提供器</param>
+        public DbContextBase(ConnectionConfig config,IServiceProvider service) : base(config) {
+            this.Logger = service.GetService(typeof(ILogger<>).MakeGenericType(GetType())) as ILogger ?? throw new NullReferenceException("ILogger");
+        }
+
+    }
+}