diff --git a/cert_tools/src/power_equal.rs b/cert_tools/src/power_equal.rs
index 82c7579..3c17f6f 100644
--- a/cert_tools/src/power_equal.rs
+++ b/cert_tools/src/power_equal.rs
@@ -1,4 +1,8 @@
-use std::path::PathBuf;
+use std::{
+    fs::File,
+    io::{BufWriter, Write},
+    path::PathBuf,
+};
 
 use clap::Args;
 
@@ -6,11 +10,29 @@ use clap::Args;
 pub struct PowerEqualResultOption {
     #[arg(help = "Certificate file")]
     key_file: PathBuf,
+    #[arg(short, long, default_value = "false", help = "Export to power.conf")]
+    export: bool,
 }
 
 pub fn calculate_equal_result(options: PowerEqualResultOption) {
     let cert = cert_lib::load_certificate(options.key_file).expect("load certificate failed");
     let result =
         cert_lib::calculate_power_euqal_result(cert).expect("calculate equal result failed");
-    println!("{}", result);
+    if options.export {
+        let mut power_conf_path = PathBuf::new();
+        power_conf_path.push(".");
+        power_conf_path.push("power.conf");
+        let power_conf_file = File::create(power_conf_path).expect("create power.conf failed");
+        let mut writer = BufWriter::new(power_conf_file);
+        writer
+            .write("[Args]\n\n[Result]\n".as_bytes())
+            .expect("write power.conf failed");
+        writer
+            .write(result.as_bytes())
+            .expect("write power.conf failed");
+        writer.flush().expect("write power.conf failed");
+        println!("Export to power.conf completed.");
+    } else {
+        println!("{}", result);
+    }
 }