diff --git a/src/cli.rs b/src/cli.rs
index 1cba9a1..6a199c8 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -64,8 +64,11 @@ pub enum Commands {
     /// -> shift all uncompeleted in "today" to "tomorrow"
     Shift,
 
-    /// -> collect all uncompeleted in INBOX to "today"
-    Collect,
+    /// -> collect all uncompeleted in INBOX(or --inbox <which>) to "today"
+    Collect {
+        #[arg(short, long)]
+        inbox: Option<String>,
+    },
 
     /// -> postpone all uncompeleted of today to INBOX
     Postp,
diff --git a/src/main.rs b/src/main.rs
index 4c93226..fe973ff 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -58,7 +58,7 @@ fn main() {
                 println!(" {} left!", "nothing".yellow());
             } else {
                 for t in tasks {
-                    println!("{}  {}", "󰄗".to_string().red(), t)
+                    println!("{}  {}", "󰄗".red(), t)
                 }
             }
 
@@ -137,8 +137,8 @@ fn main() {
             TaskBox::shift(inbox_path)
         }
 
-        Some(Commands::Collect) => {
-            TaskBox::collect(inbox_path)
+        Some(Commands::Collect { inbox }) => {
+            TaskBox::collect(inbox_path, inbox)
         }
 
         Some(Commands::Postp) => {
diff --git a/src/taskbox.rs b/src/taskbox.rs
index 28ed97d..d1fa67c 100644
--- a/src/taskbox.rs
+++ b/src/taskbox.rs
@@ -150,7 +150,7 @@ impl TaskBox {
         println!("{}  {} ↩️", from.unwrap().green(), to.unwrap().blue());
 
         for task in tasks {
-            println!("{} : {}", " 󰄗".to_string().red(), task);
+            println!("{} : {}", " 󰄗".red(), task);
             self.tasks.push((task.clone(), false));
         }
 
@@ -266,12 +266,22 @@ impl TaskBox {
     }
 
     // INBOX -> today
-    pub fn collect(inbox_path: PathBuf) {
+    pub fn collect(inbox_path: PathBuf, inbox_from: Option<String>) {
         let basedir = inbox_path.as_path().parent().unwrap();
 
+        if inbox_from == Some(get_today()) {
+            println!("{} is not a valid source", "󰄹 today".red());
+            return
+        }
+
         let mut today_todo = TaskBox::new(basedir.join(get_today()).with_extension("md"));
-        let mut inbox_todo = TaskBox::new(basedir.join(INBOX_NAME).with_extension("md"));
-        today_todo._move_in(&mut inbox_todo)
+        let mut from_todo = if let Some(from_name) = inbox_from {
+            TaskBox::new(basedir.join(from_name).with_extension("md"))
+        } else {
+            TaskBox::new(basedir.join(INBOX_NAME).with_extension("md"))
+        };
+
+        today_todo._move_in(&mut from_todo)
     }
 
     // today -> INBOX
@@ -298,13 +308,13 @@ impl TaskBox {
             if line.is_empty() { continue }
 
             if let Some(stripped) = line.strip_prefix(PREFIX) {
-                println!("{} : {}", " 󰄗".to_string().red(), stripped);
+                println!("{} : {}", " 󰄗".red(), stripped);
                 newt.push((stripped.to_string(), false))
             }
         }
 
         if newt.is_empty() {
-            println!("{} found", "nothing".to_string().yellow())
+            println!("{} found", "nothing".yellow())
         } else {
             self._load();
             self.tasks.append(&mut newt);
@@ -325,7 +335,7 @@ impl TaskBox {
         }
         boxes.sort(); boxes.reverse(); boxes.into_iter().for_each(
             |b| {
-                print!("{}  {}","󰄹".to_string().blue(), b);
+                print!("{}  {}","󰄹".blue(), b);
                 let tbox = TaskBox::new(basedir.join(b).with_extension("md"));
                 if tbox.alias.is_some() {
                     println!(" ({})", tbox.alias.unwrap().bright_black().blink())