diff --git a/.gitignore b/.gitignore
index 6175a4a..173d13f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.claude/
 # Build
 build*/
 out/
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index da7a87a..51cdf0f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -31,10 +31,10 @@ Release builds use `-O2` by default and enable LTO. For size-optimized builds, a
 ## Running Tests
 
 ```bash
-# Unit tests (149 GTest cases)
+# Unit tests (331 GTest cases)
 ctest --test-dir build --output-on-failure
 
-# Integration tests (17 shell scripts comparing against GNU coreutils)
+# Integration tests (54 shell scripts comparing against GNU coreutils)
 bash tests/integration/run_all.sh
 ```
 
diff --git a/README.en.md b/README.en.md
index 9f06942..c27fc9d 100644
--- a/README.en.md
+++ b/README.en.md
@@ -63,13 +63,13 @@ echo "Hello, World!"   # now calls cfbox via symlink
 
 ## Supported Commands (109)
 
-### Text Processing (28)
+### Text Processing (31)
 
-`echo`, `printf`, `cat`, `head`, `tail`, `wc`, `sort`, `uniq`, `grep`, `sed`, `fold`, `expand`, `cut`, `paste`, `nl`, `comm`, `tr`, `tac`, `rev`, `shuf`, `factor`, `od`, `split`, `seq`, `tsort`, `expr`, `awk`, `diff` + `patch` + `cmp` + `ed`
+`echo`, `printf`, `cat`, `head`, `tail`, `wc`, `sort`, `uniq`, `grep`, `sed`, `fold`, `expand`, `cut`, `paste`, `nl`, `comm`, `tr`, `tac`, `rev`, `shuf`, `factor`, `od`, `split`, `seq`, `tsort`, `expr`, `awk`, `diff`, `patch`, `cmp`, `ed`
 
-### File Operations (20)
+### File Operations (19)
 
-`mkdir`, `rm`, `cp`, `mv`, `ls`, `find`, `ln`, `touch`, `stat`, `install`, `mktemp`, `truncate`, `du`, `df`, `readlink`, `realpath`, `rmdir`, `link`, `unlink`, `chmod`
+`mkdir`, `rm`, `cp`, `mv`, `ls`, `find`, `ln`, `touch`, `stat`, `install`, `mktemp`, `truncate`, `du`, `df`, `readlink`, `realpath`, `rmdir`, `link`, `unlink`
 
 ### Archive & Compression (6)
 
@@ -87,9 +87,9 @@ echo "Hello, World!"   # now calls cfbox via symlink
 
 `ps`, `top`, `kill`, `pgrep`/`pkill`, `pidof`, `pstree`, `pmap`, `fuser`, `pwdx`, `sysctl`, `iostat`, `watch`, `nice`, `renice`, `timeout`
 
-### Other (18)
+### Other (16)
 
-`true`, `false`, `yes`, `sleep`, `usleep`, `sync`, `nohup`, `cksum`, `md5sum`, `sum`, `hexdump`, `more`, `tee`, `init` (PID 1 initramfs init system), `mkfifo`, `mknod`, `sleep`, `sh`
+`true`, `false`, `yes`, `sleep`, `usleep`, `sync`, `nohup`, `cksum`, `md5sum`, `sum`, `hexdump`, `more`, `tee`, `init` (PID 1 initramfs init system), `mkfifo`, `mknod`
 
 > All applets support `--help` / `--version`
 
diff --git a/README.md b/README.md
index c50d7b3..320c54b 100644
--- a/README.md
+++ b/README.md
@@ -63,13 +63,13 @@ echo "Hello, World!"   # 通过符号链接调用 cfbox
 
 ## 支持的命令（109 个）
 
-### 文本处理（28 个）
+### 文本处理（31 个）
 
-`echo`, `printf`, `cat`, `head`, `tail`, `wc`, `sort`, `uniq`, `grep`, `sed`, `fold`, `expand`, `cut`, `paste`, `nl`, `comm`, `tr`, `tac`, `rev`, `shuf`, `factor`, `od`, `split`, `seq`, `tsort`, `expr`, `awk`, `diff` + `patch` + `cmp` + `ed`
+`echo`, `printf`, `cat`, `head`, `tail`, `wc`, `sort`, `uniq`, `grep`, `sed`, `fold`, `expand`, `cut`, `paste`, `nl`, `comm`, `tr`, `tac`, `rev`, `shuf`, `factor`, `od`, `split`, `seq`, `tsort`, `expr`, `awk`, `diff`, `patch`, `cmp`, `ed`
 
-### 文件操作（20 个）
+### 文件操作（19 个）
 
-`mkdir`, `rm`, `cp`, `mv`, `ls`, `find`, `ln`, `touch`, `stat`, `install`, `mktemp`, `truncate`, `du`, `df`, `readlink`, `realpath`, `rmdir`, `link`, `unlink`, `chmod`
+`mkdir`, `rm`, `cp`, `mv`, `ls`, `find`, `ln`, `touch`, `stat`, `install`, `mktemp`, `truncate`, `du`, `df`, `readlink`, `realpath`, `rmdir`, `link`, `unlink`
 
 ### 归档与压缩（6 个）
 
@@ -87,9 +87,9 @@ echo "Hello, World!"   # 通过符号链接调用 cfbox
 
 `ps`, `top`, `kill`, `pgrep`/`pkill`, `pidof`, `pstree`, `pmap`, `fuser`, `pwdx`, `sysctl`, `iostat`, `watch`, `nice`, `renice`, `timeout`
 
-### 其他（18 个）
+### 其他（16 个）
 
-`true`, `false`, `yes`, `sleep`, `usleep`, `sync`, `nohup`, `cksum`, `md5sum`, `sum`, `hexdump`, `more`, `tee`, `init`（PID 1 initramfs init 系统）, `mkfifo`, `mknod`, `sleep`, `sh`
+`true`, `false`, `yes`, `sleep`, `usleep`, `sync`, `nohup`, `cksum`, `md5sum`, `sum`, `hexdump`, `more`, `tee`, `init`（PID 1 initramfs init 系统）, `mkfifo`, `mknod`
 
 > 所有 applet 均支持 `--help` / `--version`
 
diff --git a/Roadmap.md b/Roadmap.md
index ebdebea..1e6675d 100644
--- a/Roadmap.md
+++ b/Roadmap.md
@@ -47,7 +47,7 @@ CFBox 是一个 C++23 BusyBox 替代品，当前版本有 109 个 applet。项
 - `cmake -DCFBOX_ENABLE_GREP=OFF` 编译成功且不包含 grep ✅
 - `./cfbox echo --help` 输出格式化帮助 ✅
 - 现有 17 个 applet 全部测试通过 ✅
-- 149 个单元测试 + 17 个集成测试脚本全部通过 ✅
+- 149 个单元测试 + 17 个集成测试脚本全部通过 ✅（当前：331 + 54）
 
 ---