fix bug

web/client/src/sections/patrolManage/components/planModal.js

@@ -11,7 +11,7 @@ const PlanModal = ({ visible, onCreate, onCancel, dispatch, userLoading, userLis
     const [struOpt, setStruOpt] = useState();
     const [pointOpt, setPointOpt] = useState();
     const [points, setPoints] = useState();
-    const [unit, setUnit] = useState('次/天');
+    const [unit, setUnit] = useState(curRecord?.frequency ? curRecord.frequency.substring(curRecord.frequency.length - 3, curRecord.frequency.length) : "次/天");
     const [form] = Form.useForm();
 
     useEffect(() => {