From 2c93b57c340261610320d33aed251e6e7f983cfa Mon Sep 17 00:00:00 2001
From: TNT_TS <tnt_ts@qq.com>
Date: Wed, 1 Jul 2026 21:01:04 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E6=AD=A3help=E8=A1=8C=E4=B8=BA?=
 =?UTF-8?q?=EF=BC=8C=E7=BE=8E=E5=8C=96help=E6=8F=8F=E8=BF=B0=E6=96=87?=
 =?UTF-8?q?=E6=9C=AC?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main.c  | 36 +++++++++++++++++++++++++-----------
 src/shell.c | 14 +++++++++-----
 2 files changed, 34 insertions(+), 16 deletions(-)

diff --git a/src/main.c b/src/main.c
index 8e0c20f..dbc1665 100644
--- a/src/main.c
+++ b/src/main.c
@@ -25,18 +25,32 @@ int main(void) {
 
   /* 注册文件系统命令 */
   shellRegister("mkfile", doMkfile,
-                "mkfile <path> <size>\nCreate a file with given size");
-  shellRegister("mkdir", doMkdir, "mkdir <path>\nCreate a subdirectory");
-  shellRegister("rm", doRm, "rm <path>\nDelete a file");
+                UNDERLINE "mkfile <path> <size>\n" COLOR_RESET
+                          "Create a file with given size");
+  shellRegister("mkdir", doMkdir,
+                UNDERLINE "mkdir <path>\n" COLOR_RESET "Create a subdirectory");
+  shellRegister("rm", doRm,
+                UNDERLINE "rm <path>\n" COLOR_RESET "Delete a file");
   shellRegister("rmdir", doRmdir,
-                "rmdir <path>\nDelete a subdirectory (must be empty)");
-  shellRegister("ls", doLs, "ls [path]\nList directory contents");
-  shellRegister("open", doOpen, "open <path>\nOpen a file, returns fd");
-  shellRegister("close", doClose, "close <fd>\nClose a file by fd");
-  shellRegister("read", doRead, "read <path> <size>\nRead from file and print");
-  shellRegister("write", doWrite, "write <path> <data>\nWrite data to file");
-  shellRegister("df", doDf, "df\nShow disk usage statistics");
-  shellRegister("viz", doViz, "viz\nToggle visualization on/off");
+                UNDERLINE "rmdir <path>\n" COLOR_RESET
+                          "Delete a subdirectory (must be empty)");
+  shellRegister("ls", doLs,
+                UNDERLINE "ls [path]\n" COLOR_RESET "List directory contents");
+  shellRegister("open", doOpen,
+                UNDERLINE "open <path>\n" COLOR_RESET
+                          "Open a file, returns fd");
+  shellRegister("close", doClose,
+                UNDERLINE "close <fd>\n" COLOR_RESET "Close a file by fd");
+  shellRegister("read", doRead,
+                UNDERLINE "read <path> <size>\n" COLOR_RESET
+                          "Read from file and print");
+  shellRegister("write", doWrite,
+                UNDERLINE "write <path> <data>\n" COLOR_RESET
+                          "Write data to file");
+  shellRegister("df", doDf,
+                UNDERLINE "df\n" COLOR_RESET "Show disk usage statistics");
+  shellRegister("viz", doViz,
+                UNDERLINE "viz\n" COLOR_RESET "Toggle visualization on/off");
 
   /* 初始化 Shell */
   if (shellInit("root") != 0) {
diff --git a/src/shell.c b/src/shell.c
index ab2f733..f6ed5ce 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -1,4 +1,5 @@
 #include "shell.h"
+#include "common.h"
 #include "log.h"
 #include <errno.h>
 #include <stdio.h>
@@ -186,10 +187,14 @@ int shellInit(char *username) {
     return EXIT_FAILURE;
   }
 
-  shellRegister("echo", doEcho, "echo <text> \nEcho what you input");
-  shellRegister("help", doHelp, "help <command> \nShow helptext of command");
+  shellRegister("echo", doEcho,
+                UNDERLINE "echo <text> \n" COLOR_RESET "Echo what you input");
+  shellRegister("help", doHelp,
+                UNDERLINE "help <command> \n" COLOR_RESET
+                          "Show helptext of command");
   shellRegister("exit", doExit,
-                "exit <exitcode>\nExit shell with <code(default=0)>");
+                UNDERLINE "exit <exitcode>\n" COLOR_RESET
+                          "Exit shell with <code(default=0)>");
 
   return 0;
 }
@@ -257,7 +262,7 @@ static int doHelp(int argc, char **argv) {
   if (argc == 1) {
     for (int idx = 0; idx < CMDSIZE_MAX; idx++) {
       if (cmdBucket[idx].occupied == 1) {
-        printf("%s\n", cmdBucket[idx].help);
+        printf("%s\n\n", cmdBucket[idx].help);
       }
     }
   }
@@ -270,7 +275,6 @@ static int doHelp(int argc, char **argv) {
     goto err;
   }
 
-  printf("%s\n", cmdBucket[idx].help);
   return 0;
 
 err: