diff --git a/chapter4/4.2SparkGraphX计算生成最短路径.md b/chapter4/4.2SparkGraphX军用物资运输路线规划.md
similarity index 100%
rename from chapter4/4.2SparkGraphX计算生成最短路径.md
rename to chapter4/4.2SparkGraphX军用物资运输路线规划.md