feat: 水位时间关系图改为曲线图

ruoyi-ui/src/views/analysis/water-time/chart.vue

@@ -122,7 +122,7 @@ export default {
                 }
               }
             },
-            smooth: false,
+            smooth: true,
             type: 'line',
             data: seriesData,
             animations: false,