diff --git a/CMakeLists.txt b/CMakeLists.txt
index 82f48cb..ce72255 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,6 @@ cmake_minimum_required(VERSION 3.0)
 
 project(study_cpp LANGUAGES C)
 
-add_executable(study_cpp main.c)
+
 
 install(TARGETS study_cpp RUNTIME DESTINATION bin)
diff --git a/src/.vscode/tasks.json b/src/.vscode/tasks.json
deleted file mode 100644
index cb8b75d..0000000
--- a/src/.vscode/tasks.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-    "tasks": [
-        {
-            "type": "cppbuild",
-            "label": "C/C++: g++ 生成活动文件",
-            "command": "/usr/bin/g++",
-            "args": [
-                "-fdiagnostics-color=always",
-                "-g",
-                "${file}",
-                "-o",
-                "${fileDirname}/${fileBasenameNoExtension}"
-            ],
-            "options": {
-                "cwd": "${fileDirname}"
-            },
-            "problemMatcher": [
-                "$gcc"
-            ],
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            },
-            "detail": "调试器生成的任务。"
-        }
-    ],
-    "version": "2.0.0"
-}
\ No newline at end of file
diff --git a/src/algorithm/high_precision/division/division_high b/src/algorithm/high_precision/division/division_high
deleted file mode 100755
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diff --git a/src/algorithm/high_precision/division/division_low b/src/algorithm/high_precision/division/division_low
deleted file mode 100755
index ea6c83c..0000000
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diff --git a/src/algorithm/high_precision/mulit/2^n b/src/algorithm/high_precision/mulit/2^n
deleted file mode 100755
index 06f8034..0000000
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diff --git a/src/algorithm/high_precision/mulit/mulit b/src/algorithm/high_precision/mulit/mulit
deleted file mode 100755
index f10d156..0000000
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diff --git a/src/algorithm/high_precision/plus/number_of_palindromes b/src/algorithm/high_precision/plus/number_of_palindromes
deleted file mode 100755
index e09d895..0000000
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diff --git a/src/algorithm/high_precision/plus/plus b/src/algorithm/high_precision/plus/plus
deleted file mode 100755
index 00b8359..0000000
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diff --git a/src/algorithm/high_precision/sub/sub b/src/algorithm/high_precision/sub/sub
deleted file mode 100755
index 8084ef2..0000000
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diff --git a/src/lib/memset/memset b/src/lib/memset/memset
deleted file mode 100755
index 4026c5d..0000000
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