diff --git a/Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
index 14bae2f2b..4df539556 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
@@ -462,7 +462,7 @@ namespace SqlSugar
             //string primaryKeyInfo = null;
             if (columns.Any(it => it.IsPrimarykey) && isCreatePrimaryKey)
             {
-                sql= sql.TrimEnd(')')+ string.Format(", Primary key({0})", string.Join(",", columns.Where(it => it.IsPrimarykey).Select(it => this.SqlBuilder.GetTranslationColumnName(it.DbColumnName.ToLower()))));
+                sql= sql.TrimEnd(')')+ string.Format(", Primary key({0})", string.Join(",", columns.Where(it => it.IsPrimarykey).Select(it => this.SqlBuilder.GetTranslationColumnName(it.DbColumnName.ToUpper(IsUppper)))));
                 sql = sql + ")";
             }
             //sql = sql.Replace("$PrimaryKey", primaryKeyInfo);
diff --git a/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmExpressionContext.cs b/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmExpressionContext.cs
index cc8c26792..185753ffe 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmExpressionContext.cs
@@ -47,7 +47,7 @@ namespace SqlSugar
                 }
                 else
                 {
-                    return this.Context.CurrentConnectionConfig.MoreSettings.IsAutoToUpper == true;
+                    return this.SugarContext?.Context?.Context?.CurrentConnectionConfig?.MoreSettings.IsAutoToUpper == true;
                 }
             }
         }
diff --git a/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
index 78d25c6ce..2322aa8a4 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
@@ -37,9 +37,22 @@ namespace SqlSugar
 
         private string GetOracleUpdateColums(int i, DbColumnInfo m)
         {
-            return string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(), FormatValue(i, m.DbColumnName, m.Value));
+            return string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(IsUppper), FormatValue(i, m.DbColumnName, m.Value));
+        }
+        public bool IsUppper
+        {
+            get
+            {
+                if (this.Context.CurrentConnectionConfig.MoreSettings == null)
+                {
+                    return true;
+                }
+                else
+                {
+                    return this.Context.CurrentConnectionConfig.MoreSettings.IsAutoToUpper == true;
+                }
+            }
         }
-
         public object FormatValue(int i, string name, object value)
         {
             if (value == null)