代码修改后的版本，全部提交

TencentCloud/Cvm/V20170312/Models/InstanceChargePrepaid.cs

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+/*
+ * Copyright (c) 2018 THL A29 Limited, a Tencent company. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+namespace TencentCloud.Cvm.V20170312.Models
+{
+    using Newtonsoft.Json;
+    using System.Collections.Generic;
+    using TencentCloud.Common;
+
+    public class InstanceChargePrepaid : AbstractModel
+    {
+        
+        /// <summary>
+        /// 购买实例的时长，单位：月。取值范围：1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 24, 36, 48, 60。
+        /// </summary>
+        [JsonProperty("Period")]
+        public long? Period{ get; set; }
+
+        /// <summary>
+        /// 自动续费标识。取值范围：<br><li>NOTIFY_AND_AUTO_RENEW：通知过期且自动续费<br><li>NOTIFY_AND_MANUAL_RENEW：通知过期不自动续费<br><li>DISABLE_NOTIFY_AND_MANUAL_RENEW：不通知过期不自动续费<br><br>默认取值：NOTIFY_AND_MANUAL_RENEW。若该参数指定为NOTIFY_AND_AUTO_RENEW，在账户余额充足的情况下，实例到期后将按月自动续费。
+        /// </summary>
+        [JsonProperty("RenewFlag")]
+        public string RenewFlag{ get; set; }
+
+
+        /// <summary>
+        /// For internal usage only. DO NOT USE IT.
+        /// </summary>
+        internal override void ToMap(Dictionary<string, string> map, string prefix)
+        {
+            this.SetParamSimple(map, prefix + "Period", this.Period);
+            this.SetParamSimple(map, prefix + "RenewFlag", this.RenewFlag);
+        }
+    }
+}
+