diff --git a/src/plotcutter/parser.ts b/src/plotcutter/parser.ts
index 3fe5e71..4abf90c 100644
--- a/src/plotcutter/parser.ts
+++ b/src/plotcutter/parser.ts
@@ -39,7 +39,7 @@ export function parsePlt(pltCode: string): ParsedPlt {
 
   // 提取所有下笔绘制的路径
   // 解析逻辑：跟踪 PU/PD/U/D 命令，收集 PD/D 命令的点
-  const lines = pltCode.split('\n');
+  const lines = pltCode.split(' ');
   let currentPath: [number, number][] = [];
   let isPenDown = false;
   let currentPosition: [number, number] = [0, 0];