diff --git a/src/app/pages/trade/order-oil-list/order-oil-list.component.html b/src/app/pages/trade/order-oil-list/order-oil-list.component.html
index fb881c4..1a8f52c 100644
--- a/src/app/pages/trade/order-oil-list/order-oil-list.component.html
+++ b/src/app/pages/trade/order-oil-list/order-oil-list.component.html
@@ -4,7 +4,7 @@
       <nz-form-item>
         <nz-form-label>交易创建时间</nz-form-label>
         <nz-form-control>
-          <nz-range-picker formControlName="createTimeArray" nzShowTime [nzFormat]="'yyyy/MM/dd HH:mm:ss'"></nz-range-picker>
+          <nz-range-picker formControlName="createTimeArray" nzShowTime [nzAllowClear]="false" [nzFormat]="'yyyy/MM/dd HH:mm:ss'"></nz-range-picker>
           <nz-radio-group nzButtonStyle="solid" formControlName="createTimeSelect" (ngModelChange)="createTimeInit()">
             <label nz-radio-button *ngFor="let item of dateTypeSelect" nzValue="{{item.value}}">{{item.name}}</label>
           </nz-radio-group>
diff --git a/src/app/utils/dateUtils.service.ts b/src/app/utils/dateUtils.service.ts
index 7ef2e54..d55e17b 100644
--- a/src/app/utils/dateUtils.service.ts
+++ b/src/app/utils/dateUtils.service.ts
@@ -119,4 +119,21 @@ export class DateUtils {
 
     return returnObj;
   }
+
+  /**
+   * 获取时间
+   * @param startTime 开始时间
+   * @param endTime   结束时间
+   */
+  public static getDateSelectType(startTime: Date, endTime: Date): number  {
+    const type = 0; // 未知
+    for (let type of DateSelectType) {
+       let date = this.getDate(new Date(), type.value);
+       if (startTime.toLocaleDateString() == new Date(date.timeS).toLocaleDateString()
+          && endTime.toLocaleDateString() == new Date(date.timeE).toLocaleDateString()) {
+          return type.value;
+       }
+    }
+    return type;
+  }
 }