diff --git a/Cargo.lock b/Cargo.lock
index fdd8a7a..f98657a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1831,7 +1831,7 @@ checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
 [[package]]
 name = "tswn"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "base16384",
  "chrono",
diff --git a/miner/Cargo.toml b/miner/Cargo.toml
index c6b9701..ac864cc 100644
--- a/miner/Cargo.toml
+++ b/miner/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "tswn"
 description = "tool shenjack work shop namerena"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/miner/docs/updates.md b/miner/docs/updates.md
index ea5cc00..0ffe6e6 100644
--- a/miner/docs/updates.md
+++ b/miner/docs/updates.md
@@ -2,6 +2,12 @@
 
 ## 0.3.x
 
+### 0.3.1
+
+- 去掉了 `--bench` 选项
+- 现在可以直接使用 `--core-pick` 选项来选择核心了
+- 并且单线程模式下效果和 benchmark 模式下一样了
+
 ### 0.3.0
 
 把 `--bench-core` 改成了 `--core-pick`
diff --git a/miner/src/cacluate.rs b/miner/src/cacluate.rs
index 8aa66d6..fe15ed5 100644
--- a/miner/src/cacluate.rs
+++ b/miner/src/cacluate.rs
@@ -40,6 +40,49 @@ pub struct CacluateConfig {
     pub core_affinity: Option<usize>,
 }
 
+/// 启动计算的调度函数
+pub fn start_main(cli_config: crate::Command, outfile: PathBuf) {
+
+    // if cli_arg.bench {
+    //     info!("开始 benchmark");
+    //     cli_arg.thread_count = 1;
+    //     let mut config = cli_arg.as_cacl_config();
+    //     config.core_affinity = Some(1 << cli_arg.pick_core);
+    //     set_process_cores(config.core_affinity.unwrap());
+    //     cacluate::cacl(config, 1, &out_path);
+    // } else {
+    //     let mut n = 0;
+    //     let mut cores = 0;
+    //     if cli_arg.thread_count == 1 {
+    //         // 单线程运行的时候也是让他放在主线程跑
+    //         let mut config = cli_arg.as_cacl_config();
+    //         config.core_affinity = Some(1 << cli_arg.pick_core);
+    //         set_process_cores(config.core_affinity.unwrap());
+    //         cacluate::cacl(config, 1, &out_path);
+    //     } else {
+    //         for i in 0..cli_arg.thread_count {
+    //             n += 1;
+    //             let mut config = cli_arg.as_cacl_config();
+    //             // 核心亲和性: n, n+1
+    //             config.core_affinity = Some(1 << i);
+    //             cores |= 1 << i;
+    //             let out_path = out_path.clone();
+    //             let thread_name = format!("thread_{}", n);
+    //             threads.push(std::thread::spawn(move || {
+    //                 info!("线程 {} 开始计算", thread_name);
+    //                 cacluate::cacl(config, n, &out_path);
+    //                 info!("线程 {} 结束计算", thread_name);
+    //             }));
+    //         }
+    //         set_process_cores(cores);
+    //     }
+    // }
+
+    // for t in threads {
+    //     t.join().unwrap();
+    // }
+}
+
 #[inline(always)]
 pub fn cacl(config: CacluateConfig, id: u64, outfile: &PathBuf) {
     // 初始猜测的时间间隔
diff --git a/miner/src/main.rs b/miner/src/main.rs
index 8c5a7aa..1923eab 100644
--- a/miner/src/main.rs
+++ b/miner/src/main.rs
@@ -36,10 +36,7 @@ pub struct Command {
     /// 预期状态输出时间间隔 (秒)
     #[arg(long, short = 'r', default_value_t = 10)]
     pub report_interval: u64,
-    ///  Windows 下会强制单线程, 且设置线程亲和性为核心 0
-    #[arg(long = "bench", default_value_t = false)]
-    pub bench: bool,
-    /// 单线程模式 / benchmark 模式下的核心亲和性核心号 (从 0 开始)
+    /// 单线程模式模式下的核心亲和性核心号 (从 0 开始)
     #[arg(long = "core-pick", default_value_t = 0)]
     pub pick_core: usize,
 }
@@ -54,7 +51,7 @@ impl Command {
             qp_expect: self.qp_expect,
             team: self.team.clone(),
             report_interval: self.report_interval,
-            core_affinity: if self.bench { Some(1 << self.pick_core) } else { None },
+            core_affinity: if self.thread_count == 1 { Some(1 << self.pick_core) } else { None },
         }
     }
 }
@@ -102,7 +99,6 @@ fn main() {
     let left = cli_arg.start % cli_arg.thread_count as u64;
     cli_arg.end = cli_arg.end.wrapping_add(left);
 
-    let mut threads = vec![];
     let now = chrono::Local::now().format("%Y-%m-%d_%H-%M-%S").to_string();
     // namerena-<team>-<time>.csv
     // <time>: %Y-%m-%d-%H-%M-%S
@@ -112,6 +108,7 @@ fn main() {
     // 先创建文件夹
     if let Err(e) = std::fs::create_dir_all(out_path.parent().unwrap()) {
         warn!("创建文件夹失败: {}", e);
+        return;
     }
 
     info!("开始: {} 结尾: {}", cli_arg.start, cli_arg.end);
@@ -122,42 +119,6 @@ fn main() {
     info!("预期状态输出时间间隔: {} 秒", cli_arg.report_interval);
     info!("是否启动 benchmark 模式: {}", cli_arg.bench);
 
-    if cli_arg.bench {
-        info!("开始 benchmark");
-        cli_arg.thread_count = 1;
-        let mut config = cli_arg.as_cacl_config();
-        config.core_affinity = Some(1 << cli_arg.pick_core);
-        set_process_cores(config.core_affinity.unwrap());
-        cacluate::cacl(config, 1, &out_path);
-    } else {
-        let mut n = 0;
-        let mut cores = 0;
-        if cli_arg.thread_count == 1 {
-            // 单线程运行的时候也是让他放在主线程跑
-            let mut config = cli_arg.as_cacl_config();
-            config.core_affinity = Some(1 << cli_arg.pick_core);
-            set_process_cores(config.core_affinity.unwrap());
-            cacluate::cacl(config, 1, &out_path);
-        } else {
-            for i in 0..cli_arg.thread_count {
-                n += 1;
-                let mut config = cli_arg.as_cacl_config();
-                // 核心亲和性: n, n+1
-                config.core_affinity = Some(1 << i);
-                cores |= 1 << i;
-                let out_path = out_path.clone();
-                let thread_name = format!("thread_{}", n);
-                threads.push(std::thread::spawn(move || {
-                    info!("线程 {} 开始计算", thread_name);
-                    cacluate::cacl(config, n, &out_path);
-                    info!("线程 {} 结束计算", thread_name);
-                }));
-            }
-            set_process_cores(cores);
-        }
-    }
+    cacluate::start_main(cli_arg, out_path);
 
-    for t in threads {
-        t.join().unwrap();
-    }
 }