diff --git a/src/components/olmap/FlushingAnalysis/AnalysisParameters.tsx b/src/components/olmap/FlushingAnalysis/AnalysisParameters.tsx
index 01f08dd..b36b6de 100644
--- a/src/components/olmap/FlushingAnalysis/AnalysisParameters.tsx
+++ b/src/components/olmap/FlushingAnalysis/AnalysisParameters.tsx
@@ -47,7 +47,7 @@ const AnalysisParameters: React.FC = () => {
   const [drainageFeature, setDrainageFeature] = useState<Feature | null>(null);
 
   const [startTime, setStartTime] = useState<Dayjs | null>(dayjs(new Date()));
-  const [flushFlow, setFlushFlow] = useState<number>(0);
+  const [flushFlow, setFlushFlow] = useState<number>(200);
   const [duration, setDuration] = useState<number>(3600);
 
   const [selectionMode, setSelectionMode] = useState<'none' | 'valve' | 'drainage'>('none');
@@ -401,7 +401,7 @@ const AnalysisParameters: React.FC = () => {
         <Box className="flex gap-2">
           <Box className="flex-1">
             <Typography variant="subtitle2" className="mb-1 font-medium">
-              冲洗流量
+              冲洗流量 (CMH)
             </Typography>
             <TextField
               fullWidth