diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
index 465f6bdb9..33c9341de 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
@@ -555,11 +555,11 @@ WHERE table_name = '"+tableName+"'");
 
         private List<string> GetPrimaryKeyByTableNames(string tableName)
         {
-            string cacheKey = "DbMaintenanceProvider.GetPrimaryKeyByTableNames." + this.SqlBuilder.GetNoTranslationColumnName(tableName).ToLower();
-            cacheKey = GetCacheKey(cacheKey);
-            return this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
-                    () =>
-                    {
+            //string cacheKey = "DbMaintenanceProvider.GetPrimaryKeyByTableNames." + this.SqlBuilder.GetNoTranslationColumnName(tableName).ToLower();
+            //cacheKey = GetCacheKey(cacheKey);
+            //return this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
+            //        () =>
+            //        {
                         var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
                         this.Context.Ado.IsEnableLogEvent = false;
                         string sql = @" select distinct cu.COLUMN_name KEYNAME  from user_cons_columns cu, user_constraints au 
@@ -568,7 +568,7 @@ WHERE table_name = '"+tableName+"'");
                         var pks = this.Context.Ado.SqlQuery<string>(sql);
                         this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
                         return pks;
-                    });
+                    //});
         }
 
         public string GetTableComment(string tableName)
diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
index a5b7a86bd..313d2b516 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>SqlSugarCore</id>
-    <version>5.1.4.203-preview15</version>
+    <version>5.1.4.203-preview17</version>
     <authors>sunkaixuan</authors>
     <owners>果糖大数据科技</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>