diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpUpdateBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpUpdateBuilder.cs
index 8c752c8de..a41941622 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpUpdateBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/SqlBuilder/KdbndpUpdateBuilder.cs
@@ -148,7 +148,7 @@ namespace SqlSugar
                                 dbType = "varchar";
                             }
                         }
-                        return string.Format("CAST({0} AS {1})", FormatValue(it.Value), dbType);
+                        return string.Format("CAST({0} AS {1})", base.GetDbColumn(it,FormatValue(it.Value)), dbType);
 
                     })) + ")");
                     ++i;
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Oscar/SqlBuilder/OscarUpdateBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Oscar/SqlBuilder/OscarUpdateBuilder.cs
index f35054068..44b34af4d 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Oscar/SqlBuilder/OscarUpdateBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Oscar/SqlBuilder/OscarUpdateBuilder.cs
@@ -100,7 +100,7 @@ namespace SqlSugar
         }
         private string GetOracleUpdateColums(int i, DbColumnInfo m)
         {
-            return string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(), FormatValue(m.Value));
+            return string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(), base.GetDbColumn(m,FormatValue(m.Value)));
         }
 
     }