diff --git a/SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs b/SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs
index 163bec88a..d65c5df7b 100644
--- a/SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs
+++ b/SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs
@@ -13,15 +13,22 @@ namespace SqlSugar
         private string PropertyDescriptionTemplate { get; set; }
         private string ConstructorTemplate { get; set; }
         private string NamespaceTemplate { get; set; }
-        private string 
+        private List<DbTableInfo> TableInfoList { get; set; }
 
-        public DbFirstProvider() {
+        public DbFirstProvider()
+        {
             this.ClassTemplate = DefaultTemplate.ClassTemplate;
             this.ClassDescriptionTemplate = DefaultTemplate.ClassDescriptionTemplate;
             this.PropertyTemplate = DefaultTemplate.PropertyTemplate;
             this.PropertyDescriptionTemplate = DefaultTemplate.PropertyDescriptionTemplate;
             this.ConstructorTemplate = DefaultTemplate.ConstructorTemplate;
             this.NamespaceTemplate = DefaultTemplate.NamespaceTemplate;
+            this.TableInfoList = this.Context.DbMaintenance.GetTableInfoList();
+            if (this.Context.DbMaintenance.GetViewInfoList().IsValuable())
+            {
+                this.TableInfoList.AddRange(this.Context.DbMaintenance.GetViewInfoList());
+            }
+
         }
 
         public List<SchemaInfo> GetSchemaInfoList
@@ -79,17 +86,24 @@ namespace SqlSugar
         #region Where
         public IDbFirst Where(DbObjectType dbObjectType)
         {
-            throw new NotImplementedException();
+            if (dbObjectType != DbObjectType.All)
+                this.TableInfoList = this.TableInfoList.Where(it => it.DbObjectType == dbObjectType).ToList();
+            return this;
         }
 
         public IDbFirst Where(Func<string, bool> func)
         {
-            throw new NotImplementedException();
+            this.TableInfoList=this.TableInfoList.Where(it => func(it.Name)).ToList();
+            return this;
         }
 
         public IDbFirst Where(params string[] objectNames)
         {
-            throw new NotImplementedException();
+            if (objectNames.IsValuable())
+            {
+                this.TableInfoList = this.TableInfoList.Where(it => objectNames.Contains(it.Name)).ToList();
+            }
+            return this;
         }
         #endregion
 
diff --git a/SqlSugar/Abstract/DbMaintenanceProvider/DbMaintenanceProvider.cs b/SqlSugar/Abstract/DbMaintenanceProvider/DbMaintenanceProvider.cs
index a31699af0..18f548eed 100644
--- a/SqlSugar/Abstract/DbMaintenanceProvider/DbMaintenanceProvider.cs
+++ b/SqlSugar/Abstract/DbMaintenanceProvider/DbMaintenanceProvider.cs
@@ -19,12 +19,22 @@ namespace SqlSugar
         public List<DbTableInfo> GetViewInfoList()
         {
             string key = "DbMaintenanceProvider.GetViewInfoList";
-            return GetListOrCache<DbTableInfo>(key, this.GetViewInfoListSql);
+            var result= GetListOrCache<DbTableInfo>(key, this.GetViewInfoListSql);
+            foreach (var item in result)
+            {
+                item.DbObjectType = DbObjectType.View;
+            }
+            return result;
         }
         public List<DbTableInfo> GetTableInfoList()
         {
             string key = "DbMaintenanceProvider.GetTableInfoList";
-            return GetListOrCache<DbTableInfo>(key, this.GetTableInfoListSql);
+            var result= GetListOrCache<DbTableInfo>(key, this.GetTableInfoListSql);
+            foreach (var item in result)
+            {
+                item.DbObjectType = DbObjectType.Table;
+            }
+            return result;
         }
         public virtual List<DbColumnInfo> GetColumnInfosByTableName(string tableName)
         {
diff --git a/SqlSugar/Entities/DbTableInfo.cs b/SqlSugar/Entities/DbTableInfo.cs
index 55dcab0ee..0dd4c7068 100644
--- a/SqlSugar/Entities/DbTableInfo.cs
+++ b/SqlSugar/Entities/DbTableInfo.cs
@@ -9,5 +9,6 @@ namespace SqlSugar
     {
         public string Name { get; set; }
         public string Description { get; set; }
+        public DbObjectType DbObjectType { get; set; }
     }
 }