style: 格式化代码并优化导入顺序

src/utils/mod.rs

@@ -32,10 +32,10 @@ pub fn print_info(msg: &str) {
 pub fn confirm(prompt: &str) -> Result<bool> {
     print!("{} [y/N] ", prompt);
     io::stdout().flush()?;
-    
+
     let mut input = String::new();
     io::stdin().read_line(&mut input)?;
-    
+
     Ok(input.trim().to_lowercase().starts_with('y'))
 }
 
@@ -43,17 +43,17 @@ pub fn confirm(prompt: &str) -> Result<bool> {
 pub fn input(prompt: &str) -> Result<String> {
     print!("{}: ", prompt);
     io::stdout().flush()?;
-    
+
     let mut input = String::new();
     io::stdin().read_line(&mut input)?;
-    
+
     Ok(input.trim().to_string())
 }
 
 /// Get password input (hidden)
 pub fn password_input(prompt: &str) -> Result<String> {
     use dialoguer::Password;
-    
+
     Password::new()
         .with_prompt(prompt)
         .interact()