fix

src/pages/Live/LiveActivity/Edit/components/base.jsx

           })(
             <DatePicker
               placeholder="预计结束时间"
-              disabledDate={disabledDate}
+              // disabledDate={disabledDate}
               style={{ width: '500px' }}
               format="YYYY-MM-DD HH:mm:ss"
               showTime={{ format: 'HH:mm:ss' }}

src/pages/Live/LiveActivity/add/index.jsx

           })(
             <DatePicker
               placeholder="预计结束时间"
-              disabledDate={disabledDate}
+              // disabledDate={disabledDate}
               style={{ width: '500px' }}
               format="YYYY-MM-DD HH:mm:ss"
               showTime={{ format: 'HH:mm:ss' }}