diff --git a/cert_lib/src/lib.rs b/cert_lib/src/lib.rs
index d7f76ed..a4fb857 100644
--- a/cert_lib/src/lib.rs
+++ b/cert_lib/src/lib.rs
@@ -40,13 +40,12 @@ pub fn generate_certificate(
 
     let mut x509_name = X509NameBuilder::new()?;
     x509_name.append_entry_by_text("CN", certificate_name)?;
-    x509_name.append_entry_by_text("C", "CN")?;
-    x509_name.append_entry_by_text("ST", "Hebei")?;
-    x509_name.append_entry_by_text("L", "Shi Jiazhuang")?;
-    x509_name.append_entry_by_text("O", "archgrid.xyz")?;
     let x509_name = x509_name.build();
+    let mut x509_issuer = X509NameBuilder::new()?;
+    x509_issuer.append_entry_by_text("CN", "JetProfile CA")?;
+    let x509_issuer = x509_issuer.build();
     builder.set_subject_name(&x509_name)?;
-    builder.set_issuer_name(&x509_name)?;
+    builder.set_issuer_name(&x509_issuer)?;
     builder.set_version(version)?;
 
     let not_before = Asn1Time::days_from_now(0)?;