diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index 0c2152e..eacceaf 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -491,7 +491,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13b588ba4ac1a99f7f2964d24b3d896ddc6bf847ee3855dbd4366f058cfcd331"
 dependencies = [
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -501,7 +501,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edb49164822f3ee45b17acd4a208cfc1251410cf0cad9a833234c9890774dd9f"
 dependencies = [
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -525,7 +525,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -536,7 +536,7 @@ checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -559,7 +559,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -801,7 +801,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1290,9 +1290,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.4.0"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93ead53efc7ea8ed3cfb0c79fc8023fbb782a5432b52830b6518941cebe6505c"
+checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
 dependencies = [
  "equivalent",
  "hashbrown 0.14.5",
@@ -1728,7 +1728,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1913,7 +1913,7 @@ dependencies = [
  "phf_shared 0.11.2",
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -1943,6 +1943,20 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "phiz-pay-tool"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "openssl",
+ "rand 0.8.5",
+ "serde",
+ "serde_json",
+ "tauri",
+ "tauri-build",
+ "thiserror",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.14"
@@ -1968,7 +1982,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42cf17e9a1800f5f396bc67d193dc9411b59012a5876445ef450d449881e1016"
 dependencies = [
  "base64 0.22.1",
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "quick-xml",
  "serde",
  "time",
@@ -2357,7 +2371,7 @@ checksum = "a5831b979fd7b5439637af1752d535ff49f4860c0f341d1baeb6faf0f4242170"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2366,7 +2380,7 @@ version = "1.0.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8043c06d9f82bd7271361ed64f415fe5e12a77fdb52e573e7f06a516dea329ad"
 dependencies = [
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "itoa 1.0.11",
  "memchr",
  "ryu",
@@ -2381,7 +2395,7 @@ checksum = "6c64451ba24fc7a6a2d60fc75dd9c83c90903b19028d4eff35e88fc1e86564e9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2403,7 +2417,7 @@ dependencies = [
  "chrono",
  "hex",
  "indexmap 1.9.3",
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "serde",
  "serde_derive",
  "serde_json",
@@ -2420,7 +2434,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2442,7 +2456,7 @@ checksum = "772ee033c0916d670af7860b6e1ef7d658a4629a6d0b4c8c3e67f09b3765b75d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2596,9 +2610,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.76"
+version = "2.0.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578e081a14e0cefc3279b0472138c513f37b41a08d5a3cca9b6e4e8ceb6cd525"
+checksum = "9f35bcdf61fd8e7be6caf75f429fdca8beb3ed76584befb503b1569faee373ed"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2686,7 +2700,7 @@ checksum = "f4e16beb8b2ac17db28eab8bca40e62dbfbb34c0fcdc6d9826b11b7b5d047dfd"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -2756,19 +2770,6 @@ dependencies = [
  "windows 0.39.0",
 ]
 
-[[package]]
-name = "tauri-app"
-version = "0.1.0"
-dependencies = [
- "chrono",
- "openssl",
- "serde",
- "serde_json",
- "tauri",
- "tauri-build",
- "thiserror",
-]
-
 [[package]]
 name = "tauri-build"
 version = "1.5.4"
@@ -2956,7 +2957,7 @@ checksum = "a4558b58466b9ad7ca0f102865eccc95938dca1a74a856f2b57b6629050da261"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -3017,9 +3018,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.39.3"
+version = "1.40.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9babc99b9923bfa4804bd74722ff02c0381021eafa4db9949217e3be8e84fff5"
+checksum = "e2b070231665d27ad9ec9b8df639893f46727666c6767db40317fbe920a5d998"
 dependencies = [
  "backtrace",
  "bytes",
@@ -3074,7 +3075,7 @@ version = "0.19.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
@@ -3087,7 +3088,7 @@ version = "0.22.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "583c44c02ad26b0c3f3066fe629275e50627026c51ac2e595cca4c230ce1ce1d"
 dependencies = [
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
@@ -3113,7 +3114,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
 
 [[package]]
@@ -3309,7 +3310,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
  "wasm-bindgen-shared",
 ]
 
@@ -3343,7 +3344,7 @@ checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -3947,5 +3948,5 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.76",
+ "syn 2.0.77",
 ]
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 864a7ae..101fb9a 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "tauri-app"
+name = "phiz-pay-tool"
 version = "0.1.0"
 description = "A Tauri App"
 authors = ["you"]
@@ -11,12 +11,13 @@ edition = "2021"
 tauri-build = { version = "1", features = [] }
 
 [dependencies]
-tauri = { version = "1", features = [ "path-all", "dialog-all", "shell-open"] }
+tauri = { version = "1", features = ["path-all", "dialog-all", "shell-open"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 openssl = "0.10.66"
 thiserror = "1.0.63"
 chrono = "0.4.38"
+rand = "0.8.5"
 
 [features]
 # This feature is used for production builds or when a dev server is not specified, DO NOT REMOVE!!
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 83409b5..aeaa841 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -2,14 +2,16 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
 use openssl::{
-    asn1::Asn1Time,
+    asn1::{Asn1Integer, Asn1Time},
+    bn::BigNum,
+    hash::MessageDigest,
     pkey::PKey,
     rsa::Rsa,
     x509::{X509Builder, X509NameBuilder},
 };
+use rand::{thread_rng, Rng};
 use std::fs::File;
 use std::io::Write;
-use std::path::PathBuf;
 
 // create the error type that represents all errors possible in our program
 #[derive(Debug, thiserror::Error)]
@@ -46,18 +48,29 @@ fn gen_rsa_pair(merchant_id: &str, email: &str, save_path: &str) -> Result<(), E
     let x509_name = x509_name_builder.build();
 
     let mut x509_builder: X509Builder = X509Builder::new()?;
+
+    let mut rng = thread_rng();
+    let mut bytes = [0u8; 20];
+    rng.fill(&mut bytes);
+    let bn: BigNum = BigNum::from_slice(&bytes)?;
+    let serial_number = Asn1Integer::from_bn(&bn)?;
+    x509_builder.set_serial_number(&serial_number)?;
+
+    x509_builder.set_version(2)?;
     x509_builder.set_subject_name(&x509_name)?;
     x509_builder.set_issuer_name(&x509_name)?;
     x509_builder.set_pubkey(&private_key)?;
-    x509_builder.set_not_before(&Asn1Time::days_from_now(0).unwrap())?;
-    x509_builder.set_not_after(&Asn1Time::days_from_now(1095).unwrap())?;
-    x509_builder.sign(&private_key, openssl::hash::MessageDigest::sha256())?;
+    let not_before = Asn1Time::days_from_now(0)?;
+    let not_after = Asn1Time::days_from_now(1095)?;
+    x509_builder.set_not_before(&not_before)?;
+    x509_builder.set_not_after(&not_after)?;
+    x509_builder.sign(&private_key, MessageDigest::sha256())?;
     let x509 = x509_builder.build();
 
     // 将私钥转换为 PEM 格式
     let private_key_pem = private_key.private_key_to_pem_pkcs8()?;
     // 保存私钥到文件
-    let private_key_path = PathBuf::from(format!("{}/{}_private_key.pem", save_path, merchant_id));
+    let private_key_path = format!("{}/{}_private_key.pem", save_path, merchant_id);
     let mut private_key_file = File::create(&private_key_path)?;
     private_key_file.write_all(&private_key_pem)?;
 
diff --git a/src/App.vue b/src/App.vue
index 3cbec9b..ddd68ab 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -4,8 +4,8 @@ import { invoke } from '@tauri-apps/api/tauri'
 import { message, open } from '@tauri-apps/api/dialog'
 import { downloadDir } from '@tauri-apps/api/path'
 
-const merchantId = ref('P80029767866')
-const email = ref('zaeyee@163.com')
+const merchantId = ref('')
+const email = ref('')
 
 async function genPrivateKey() {
   try {