修复

src/components/Map.jsx

@@ -1096,12 +1096,7 @@ const CesiumMap = React.forwardRef(({ ifClear, ifClearPlanLine, ifClearNavLine,
 					planLineRef.current = null;
 				}
 
-				if (polygonRef.current) {
-					viewer.entities.remove(polygonRef.current);
-
-
-					polygonRef.current = null;
-				}
+			
 				viewer.scene.requestRender();
 			}
 			prevIfClearPlanLine.current = ifClearPlanLine;