diff --git a/bash-5.1/builtins_rust/common/src/lib.rs b/bash-5.1/builtins_rust/common/src/lib.rs
index 34f16a47c134f5b6771bccaee4715784be2cdd03..696f3bcbe3e5a857c4c702a9ba73adabddae76b6 100644
--- a/bash-5.1/builtins_rust/common/src/lib.rs
+++ b/bash-5.1/builtins_rust/common/src/lib.rs
@@ -350,7 +350,7 @@ macro_rules! DEBUG_TRAP {
 #[macro_export]
 macro_rules! NSIG {
     () => {
-        64
+        65
     };
 }
 
diff --git a/bash-5.1/builtins_rust/exec_cmd/src/lib.rs b/bash-5.1/builtins_rust/exec_cmd/src/lib.rs
index ad9fc7066ba85fda35bb67c6b9606c177c4d8981..23bb0478f51e813e4c4fec98b417d6c088ddd2e0 100644
--- a/bash-5.1/builtins_rust/exec_cmd/src/lib.rs
+++ b/bash-5.1/builtins_rust/exec_cmd/src/lib.rs
@@ -23,6 +23,7 @@ use rhash::r_hash_builtin;
 use rhelp::r_help_builtin;
 use rhistory::r_history_builtin;
 use rjobs::r_jobs_builtin;
+use rjobs::r_disown_builtin;
 use rkill::r_kill_builtin;
 use rmapfile::r_mapfile_builtin;
 use rprintf::r_printf_builtin;
@@ -105,7 +106,8 @@ enum CMDType {
     TypeCmd,
     UlimitCmd,
     UmaskCmd,
-    WaitCmd
+    WaitCmd,
+    DisownCmd
 }
 
   struct AliasComand ;
@@ -496,6 +498,15 @@ impl CommandExec for UnSetComand{
     }
 }
 
+  struct DisownCommand ;
+  impl CommandExec for DisownCommand{
+    fn  excute(&self,list : *mut WordList)-> i32{
+        unsafe {
+            r_disown_builtin(list)
+        }
+    }
+  }
+
 // 定义接口
 pub trait CommandExec {
     fn excute(&self,list : *mut WordList) -> i32;
@@ -690,6 +701,9 @@ impl Factory for SimpleFactory {
             ),
             CMDType::WaitCmd  => Box::new(
                 WaitComand{}
+            ),
+            CMDType::DisownCmd => Box::new(
+                DisownCommand{}
             )
         }
     }
@@ -892,6 +906,9 @@ unsafe fn get_cmd_type (command : *mut libc::c_char) -> CMDType{
     else if libc::strcmp(command , b"wait\0" as *const u8 as *const libc::c_char as *mut libc::c_char) == 0 {
         types = CMDType::WaitCmd;
     }
+    else if libc::strcmp(command , b"disown\0" as *const u8 as *const libc::c_char as *mut libc::c_char) == 0 {
+        types = CMDType::DisownCmd;
+    }
     
    types
 }
diff --git a/bash-5.1/builtins_rust/jobs/src/lib.rs b/bash-5.1/builtins_rust/jobs/src/lib.rs
index 18e88ec748436d30ee9a3e84be4c6f8122f2256e..6b9fa888cfed3ca6a2f719357dcd43e56bb70c55 100644
--- a/bash-5.1/builtins_rust/jobs/src/lib.rs
+++ b/bash-5.1/builtins_rust/jobs/src/lib.rs
@@ -337,7 +337,7 @@ macro_rules! get_job_by_jid {
 #[macro_export]
 macro_rules! INVALID_JOB {
    ($j:expr) => {
-         $j <0 || $j >=  js.j_jobslots || get_job_by_jid !($j) == std::ptr::null_mut()
+         $j <0 || $j >=  js.j_jobslots || get_job_by_jid!($j) == std::ptr::null_mut()
     }
 }
 
@@ -390,7 +390,7 @@ extern "C" {
       }
 	    
 	  libc::free((*(*l).word).word as * mut libc::c_void);
-	  (*(*(*l).word).word) = (*get_job_by_jid! (job)).pgrp as libc::c_char;
+	  (*(*(*l).word).word) = (*get_job_by_jid!(job)).pgrp as libc::c_char;
 	  }
       l=(*l).next;
   }
@@ -484,7 +484,7 @@ pub extern "C" fn r_jobs_builtin(mut list:*mut WordList)->i32 {
         BLOCK_CHILD !(Some(&mut set), Some(&mut oset));
         job = get_job_spec (list);
 
-        if (job == NO_JOB!()) || jobs  == std::ptr::null_mut() || get_job_by_jid !(job)  == std::ptr::null_mut() {
+        if (job == NO_JOB!()) || jobs  == std::ptr::null_mut() || get_job_by_jid!(job)  == std::ptr::null_mut() {
             sh_badjob ((*((*list).word)).word);                 
             any_failed+=1;
         } else if job != DUP_JOB!() {
@@ -547,14 +547,13 @@ pub extern "C" fn r_disown_builtin (list:* mut WordList)->libc::c_int {
       }
 	    return EXECUTION_SUCCESS!();
   }
-    
   BLOCK_CHILD !(Some(&mut set), Some(&mut oset));
   if (loptend !=std::ptr::null_mut() && legal_number ((*(*loptend).word).word, &mut pid_value) !=0 && pid_value ==  pid_value) {
      job=get_job_by_pid ( pid_value as i32, 0, 0 as *mut*mut PROCESS);
   }else {
-    get_job_spec (loptend);
+    job = get_job_spec (loptend);
   }
-  if job == NO_JOB!() || jobs !=std::ptr::null_mut() || INVALID_JOB!(job) {
+  if (job == NO_JOB!()) ||( jobs ==std::ptr::null_mut()) || (INVALID_JOB!(job)) {
     if loptend !=std::ptr::null_mut() {
             sh_badjob ((*(*loptend).word).word);
     } else {
diff --git a/bash-5.1/execute_cmd.c b/bash-5.1/execute_cmd.c
index d1a9f1b5d217d7be3e2faf44e54866bafba1b223..b2933f7f0cf5ed34f86f599f0c9893b7b1630a94 100644
--- a/bash-5.1/execute_cmd.c
+++ b/bash-5.1/execute_cmd.c
@@ -4839,9 +4839,8 @@ execute_builtin (builtin, words, flags, subshell)
 
   executing_builtin++;
   executing_command_builtin |= builtin == command_builtin;
-  //result = ((*builtin) (words->next));
+  // result = ((*builtin) (words->next));
   result = r_exec_cmd(words->word->word, words->next);
-  //r_execute_cmd2(words->next);
 
   /* This shouldn't happen, but in case `return' comes back instead of
      longjmp'ing, we need to unwind. */
@@ -5814,7 +5813,6 @@ shell_execve (command, args, env)
      char *command;
      char **args, **env;
 {
-  //printf("wwwwwwwwwwwwwwwwwwwwwwwwww===========\n");
   int larray, i, fd;
   char sample[HASH_BANG_BUFSIZ];
   int sample_len;
diff --git a/record.txt b/record.txt
index 6836ce751ccadca70261c8dd20204b5932d15bef..32559b8176f8253091243c24b124a6a495d3e2c8 100644
--- a/record.txt
+++ b/record.txt
@@ -49,3 +49,4 @@
 71
 72
 73
+74