diff --git a/.gitignore b/.gitignore
index bb62784..bc8492f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -447,3 +447,5 @@ CTestTestfile.cmake
 _deps
 CMakeUserPresets.json
 
+
+/net-commander
diff --git a/cmake/chapter-1/.vscode/tasks.json b/cmake/chapter-1/.vscode/tasks.json
index 6bc9561..55b7266 100644
--- a/cmake/chapter-1/.vscode/tasks.json
+++ b/cmake/chapter-1/.vscode/tasks.json
@@ -14,10 +14,11 @@
                 "${file}"
             ],
             "options": {
-                "cwd": "${fileDirname}"
+                "cwd": "${fileDirname}",
             },
             "problemMatcher": [ // 错误信息匹配器，有$msCompiler、$gcc 选项
                 "$msCompile" // 使用msvc编辑器的匹配器，
+
             ],
             "group": {
                 "kind": "build",
@@ -38,6 +39,7 @@
             "options": {
                 "cwd": "${fileDirname}"
             }
+            
         }
     ]
 }
\ No newline at end of file
diff --git a/cmake/chapter-1/static_1.exe b/cmake/chapter-1/static_1.exe
deleted file mode 100644
index 945e930..0000000
Binary files a/cmake/chapter-1/static_1.exe and /dev/null differ
diff --git a/cmake/chapter-1/static_2.exe b/cmake/chapter-1/static_2.exe
deleted file mode 100644
index 2215575..0000000
Binary files a/cmake/chapter-1/static_2.exe and /dev/null differ
diff --git a/cmake/chapter-1/static_boost.exe b/cmake/chapter-1/static_boost.exe
deleted file mode 100644
index 0cded8f..0000000
Binary files a/cmake/chapter-1/static_boost.exe and /dev/null differ
diff --git a/cmake/chapter-3/命令参数.cmake b/cmake/chapter-3/命令参数.cmake
new file mode 100644
index 0000000..445d9f9
--- /dev/null
+++ b/cmake/chapter-3/命令参数.cmake
@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.20)
+
+set("a?b" "变量ab")
+
+message("${ab}")
+message(${a\?b})
+message("123455")
\ No newline at end of file