diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
index eb42d23e3..be855c5f9 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
@@ -260,7 +260,7 @@ namespace SqlSugar
                 }
             }
 
-            return schema.ToUpper();
+            return schema.ToUpper(IsUpper);
         }
         public override bool UpdateColumn(string tableName, DbColumnInfo columnInfo)
         {
@@ -296,13 +296,13 @@ namespace SqlSugar
         public override bool IsAnyColumn(string tableName, string columnName, bool isCache = true)
         {
             var sql =
-                $"select count(*) from information_schema.columns WHERE table_schema = 'public'  and UPPER(table_name) = '{tableName.ToUpper()}' and UPPER(column_name) = '{columnName.ToUpper()}'";
+                $"select count(*) from information_schema.columns WHERE table_schema = 'public'  and UPPER(table_name) = '{tableName.ToUpper(IsUpper)}' and UPPER(column_name) = '{columnName.ToUpper(IsUpper)}'";
             return this.Context.Ado.GetInt(sql) > 0;
         }
 
         public override bool IsAnyTable(string tableName, bool isCache = true)
         {
-            var sql = $"select count(*) from information_schema.tables where table_schema='public' and table_type='BASE TABLE' and UPPER(table_name)='{tableName.ToUpper()}'";
+            var sql = $"select count(*) from information_schema.tables where table_schema='public' and table_type='BASE TABLE' and UPPER(table_name)='{tableName.ToUpper(IsUpper)}'";
             return this.Context.Ado.GetInt(sql)>0;
         }
 
@@ -428,6 +428,20 @@ namespace SqlSugar
         {
             return base.GetColumnInfosByTableName(tableName.TrimEnd('"').TrimStart('"').ToLower(), isCache);
         }
+        public bool IsUpper
+        {
+            get
+            {
+                if (this.Context.CurrentConnectionConfig.MoreSettings == null)
+                {
+                    return true;
+                }
+                else
+                {
+                    return this.Context.CurrentConnectionConfig.MoreSettings.IsAutoToUpper == true;
+                }
+            }
+        }
         #endregion
     }
 }
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpBuilder.cs
index 68e812aa8..a848c3a98 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpBuilder.cs
@@ -40,11 +40,11 @@ namespace SqlSugar
         {
             if (propertyName.Contains(".") && !propertyName.Contains(SqlTranslationLeft))
             {
-                return string.Join(".", propertyName.Split('.').Select(it => $"{SqlTranslationLeft}{it.ToUpper()}{SqlTranslationRight}"));
+                return string.Join(".", propertyName.Split('.').Select(it => $"{SqlTranslationLeft}{it.ToUpper(IsUpper)}{SqlTranslationRight}"));
             }
             if (propertyName.Contains(SqlTranslationLeft)) return propertyName;
             else
-                return SqlTranslationLeft + propertyName.ToUpper() + SqlTranslationRight;
+                return SqlTranslationLeft + propertyName.ToUpper(IsUpper) + SqlTranslationRight;
         }
 
         //public override string GetNoTranslationColumnName(string name)
@@ -61,7 +61,7 @@ namespace SqlSugar
                  .FirstOrDefault(it =>
                  it.EntityName.Equals(entityName, StringComparison.CurrentCultureIgnoreCase) &&
                  it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
-            return (mappingInfo == null ? SqlTranslationLeft + propertyName.ToUpper()+ SqlTranslationRight : SqlTranslationLeft + mappingInfo.DbColumnName.ToUpper() + SqlTranslationRight);
+            return (mappingInfo == null ? SqlTranslationLeft + propertyName.ToUpper(IsUpper)+ SqlTranslationRight : SqlTranslationLeft + mappingInfo.DbColumnName.ToUpper(IsUpper) + SqlTranslationRight);
         }
 
         public override string GetTranslationTableName(string name)
@@ -75,7 +75,7 @@ namespace SqlSugar
             name = (mappingInfo == null ? name : mappingInfo.DbTableName);
             if (name.Contains(".")&& !name.Contains("("))
             {
-                return string.Join(".", name.ToUpper().Split('.').Select(it => SqlTranslationLeft + it + SqlTranslationRight));
+                return string.Join(".", name.ToUpper(IsUpper).Split('.').Select(it => SqlTranslationLeft + it + SqlTranslationRight));
             }
             else if (name.Contains("("))
             {
@@ -87,7 +87,25 @@ namespace SqlSugar
             }
             else
             {
-                return SqlTranslationLeft + name.ToUpper().TrimEnd('"').TrimStart('"') + SqlTranslationRight;
+                return SqlTranslationLeft + name.ToUpper(IsUpper).TrimEnd('"').TrimStart('"') + SqlTranslationRight;
+            }
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool IsUpper
+        {
+            get
+            {
+                if (this.Context.CurrentConnectionConfig.MoreSettings == null)
+                {
+                    return true;
+                }
+                else
+                {
+                    return this.Context.CurrentConnectionConfig.MoreSettings.IsAutoToUpper == true;
+                }
             }
         }
     }
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpExpressionContext.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpExpressionContext.cs
index f28cf0d8b..be10df526 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpExpressionContext.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpExpressionContext.cs
@@ -25,7 +25,7 @@ namespace SqlSugar
         }
         public override string GetTranslationText(string name)
         {
-            return SqlTranslationLeft + name.ToUpper() + SqlTranslationRight;
+            return SqlTranslationLeft + name.ToUpper(IsUpper) + SqlTranslationRight;
         }
 
         public override string GetTranslationTableName(string entityName, bool isMapping = true)
@@ -47,7 +47,7 @@ namespace SqlSugar
             else if (isMapping)
             {
                 var mappingInfo = this.MappingTables.FirstOrDefault(it => it.EntityName.Equals(entityName, StringComparison.CurrentCultureIgnoreCase));
-                return SqlTranslationLeft + (mappingInfo == null ? entityName : mappingInfo.DbTableName).ToUpper() + SqlTranslationRight;
+                return SqlTranslationLeft + (mappingInfo == null ? entityName : mappingInfo.DbTableName).ToUpper(IsUpper) + SqlTranslationRight;
             }
             else if (isComplex)
             {
@@ -80,11 +80,25 @@ namespace SqlSugar
             if (this.MappingColumns.HasValue())
             {
                 var mappingInfo = this.MappingColumns.SingleOrDefault(it => it.EntityName == entityName && it.PropertyName == propertyName);
-                return (mappingInfo == null ? propertyName : mappingInfo.DbColumnName).ToUpper();
+                return (mappingInfo == null ? propertyName : mappingInfo.DbColumnName).ToUpper(IsUpper);
             }
             else
             {
-                return propertyName.ToUpper();
+                return propertyName.ToUpper(IsUpper);
+            }
+        }
+        public bool IsUpper
+        {
+            get
+            {
+                if (this.SugarContext?.Context?.Context?.CurrentConnectionConfig?.MoreSettings == null)
+                {
+                    return true;
+                }
+                else
+                {
+                    return this.SugarContext?.Context?.Context?.CurrentConnectionConfig?.MoreSettings.IsAutoToUpper == true;
+                }
             }
         }
     }