diff --git a/src/mirage_widget/src/widget/leaf_widget/meditable_text_box.cpp b/src/mirage_widget/src/widget/leaf_widget/meditable_text_box.cpp
index 6f94aa0..cbe55e9 100644
--- a/src/mirage_widget/src/widget/leaf_widget/meditable_text_box.cpp
+++ b/src/mirage_widget/src/widget/leaf_widget/meditable_text_box.cpp
@@ -386,7 +386,7 @@ void meditable_text_box::delete_char_before_cursor() {
 void meditable_text_box::delete_char_at_cursor() {
     if (text_.empty()) return;
 
-    size_t delete_pos = get_text_index_from_cursor();
+    const auto delete_pos = get_text_index_from_cursor();
 
     if (delete_pos < text_.size()) {
         text_.erase(delete_pos, 1);
diff --git a/src/mirage_widget/src/widget/leaf_widget/meditable_text_box.h b/src/mirage_widget/src/widget/leaf_widget/meditable_text_box.h
index 21c256b..7b80928 100644
--- a/src/mirage_widget/src/widget/leaf_widget/meditable_text_box.h
+++ b/src/mirage_widget/src/widget/leaf_widget/meditable_text_box.h
@@ -48,9 +48,10 @@ private:
 	float cursor_alpha_ = 0.f;
 	Eigen::Vector2f no_warp_size_{};
 
-	// 光标位置 值是字符索引, x坐标表示在哪个字符的左边, y坐标表示行索引
-	size_t cursor_x_ = 0;
-	size_t cursor_y_ = 0; // 光标位置, 用于IME输入时的光标位置
+	// 光标位置 值是字符索引
+	size_t cursor_x_ = 0; // 在哪个字符的左边
+	size_t cursor_y_ = 0; // 行索引
+
 	text_layout_t layout_{};
 	std::u32string text_; // 最终显示的文本
 	std::u32string temp_text_; // 当前输入的文本