From 18540d3c401858309faca021303a9df881c97814 Mon Sep 17 00:00:00 2001
From: Lane0218 <laneljc@qq.com>
Date: Thu, 12 Mar 2026 16:46:05 +0800
Subject: [PATCH] =?UTF-8?q?docs(doc):=20=E8=B0=83=E6=95=B4=20Lab1=20?=
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---
 doc/Lab1-语法树构建.md | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/doc/Lab1-语法树构建.md b/doc/Lab1-语法树构建.md
index ba4f6d2..6536405 100644
--- a/doc/Lab1-语法树构建.md
+++ b/doc/Lab1-语法树构建.md
@@ -32,12 +32,7 @@ Lab1 聚焦前端第一步：词法/语法分析。
 
 ## 5. 构建与生成流程
 
-典型构建命令：
-
-```bash
-cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
-cmake --build build -j "$(nproc)"
-```
+Lab1 中需要先生成 Lexer/Parser 相关文件，再执行 CMake 构建。
 
 Lexer/Parser 生成文件统一位于：
 
@@ -55,6 +50,13 @@ java -jar third_party/antlr-4.13.2-complete.jar \
   src/antlr4/SysY.g4
 ```
 
+随后再执行构建：
+
+```bash
+cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+cmake --build build -j "$(nproc)"
+```
+
 ## 6. Lab1 测试建议