diff --git a/thesis/note.md b/thesis/note.md
index bb69e26..bb7dd97 100644
--- a/thesis/note.md
+++ b/thesis/note.md
@@ -157,4 +157,7 @@ if __name__ == "__main__":
     plt.xlabel("index", font)
     save_path = "./font_size_test.jpg"
     plt.savefig(save_path, dpi=1000, bbox_inches="tight")
+
+    # 设置legend字号
+    plt.legend(["示例图线"], fontsize=font["size"])
 ```
\ No newline at end of file
diff --git a/font_size_test.jpg b/utils/font_size_test.jpg
similarity index 53%
rename from font_size_test.jpg
rename to utils/font_size_test.jpg
index 7bb212a..3f4f849 100644
Binary files a/font_size_test.jpg and b/utils/font_size_test.jpg differ
diff --git a/utils/mpl_font_size.py b/utils/mpl_font_size.py
index 1d92ff1..6a7852f 100644
--- a/utils/mpl_font_size.py
+++ b/utils/mpl_font_size.py
@@ -13,5 +13,6 @@
     plt.plot(data)
     plt.ylabel("data", font)
     plt.xlabel("index", font)
+    # plt.legend(["正弦曲线"], fontsize=28)
     save_path = "./font_size_test.jpg"
     plt.savefig(save_path, dpi=1000, bbox_inches="tight")
\ No newline at end of file