重构单位导入路径，优化代码结构

src/components/olmap/FlushingAnalysis/SchemeQuery.tsx

@@ -40,7 +40,7 @@ import Feature, { FeatureLike } from "ol/Feature";
 import { bbox, featureCollection } from "@turf/turf";
 import Timeline from "@app/OlMap/Controls/Timeline";
 import { SchemeRecord, SchemaItem } from "./types";
-import { FLOW_DISPLAY_UNIT } from "../DMALeakDetection/utils";
+import { FLOW_DISPLAY_UNIT } from "@utils/units";
 
 interface SchemeQueryProps {
   schemes?: SchemeRecord[];