diff --git a/ylong_http_client/src/util/c_openssl/ssl/stream.rs b/ylong_http_client/src/util/c_openssl/ssl/stream.rs
index 43f4b1badc4150c468cb61b5faa3641101ff1bce..d4def286dda5bdd2780d93dff4b835869e3fc04b 100644
--- a/ylong_http_client/src/util/c_openssl/ssl/stream.rs
+++ b/ylong_http_client/src/util/c_openssl/ssl/stream.rs
@@ -258,10 +258,7 @@ fn verify_server_cert(ssl: *const SSL, pinned_key: &str) -> Result<(), SslError>
     if certificate.is_null() {
         return Err(SslError {
             code: SslErrorCode::SSL,
-            internal: Some(InternalError::User(VerifyError::from_msg(
-                PubKeyPinning,
-                "Failed to get the peer certificate.",
-            ))),
+            internal: Some(InternalError::Ssl(ErrorStack::get())),
         });
     }
 
@@ -270,10 +267,7 @@ fn verify_server_cert(ssl: *const SSL, pinned_key: &str) -> Result<(), SslError>
         unsafe { X509_free(certificate) };
         return Err(SslError {
             code: SslErrorCode::SSL,
-            internal: Some(InternalError::User(VerifyError::from_msg(
-                PubKeyPinning,
-                "Failed to get the length of the peer public key.",
-            ))),
+            internal: Some(InternalError::Ssl(ErrorStack::get())),
         });
     }
     let key = vec![0u8; size_1 as usize];
@@ -283,10 +277,7 @@ fn verify_server_cert(ssl: *const SSL, pinned_key: &str) -> Result<(), SslError>
         unsafe { X509_free(certificate) };
         return Err(SslError {
             code: SslErrorCode::SSL,
-            internal: Some(InternalError::User(VerifyError::from_msg(
-                PubKeyPinning,
-                "Failed to read the peer public key.",
-            ))),
+            internal: Some(InternalError::Ssl(ErrorStack::get())),
         });
     }
 
diff --git a/ylong_http_client/src/util/c_openssl/verify/pinning.rs b/ylong_http_client/src/util/c_openssl/verify/pinning.rs
index 7c6851b6dc5e46f0bc4a19a8b9825f02bbded84e..916704fa67c15716d39bd6511eaf496df21435e9 100644
--- a/ylong_http_client/src/util/c_openssl/verify/pinning.rs
+++ b/ylong_http_client/src/util/c_openssl/verify/pinning.rs
@@ -16,8 +16,7 @@ use std::collections::HashMap;
 use libc::c_int;
 use ylong_http::request::uri::Uri;
 
-use crate::util::c_openssl::error::VerifyError;
-use crate::util::c_openssl::error::VerifyKind::PubKeyPinning;
+use crate::util::c_openssl::error::ErrorStack;
 use crate::util::c_openssl::ffi::x509::{
     EVP_DigestFinal_ex, EVP_DigestInit, EVP_DigestUpdate, EVP_MD_CTX_free, EVP_MD_CTX_new,
     EVP_sha256,
@@ -179,10 +178,7 @@ pub(crate) unsafe fn sha256_digest(
     if md_ctx.is_null() {
         return Err(SslError {
             code: SslErrorCode::SSL,
-            internal: Some(InternalError::User(VerifyError::from_msg(
-                PubKeyPinning,
-                "Failed to allocates a digest context.",
-            ))),
+            internal: Some(InternalError::Ssl(ErrorStack::get())),
         });
     }
     let init = EVP_DigestInit(md_ctx, EVP_sha256());
@@ -190,10 +186,7 @@ pub(crate) unsafe fn sha256_digest(
         EVP_MD_CTX_free(md_ctx);
         return Err(SslError {
             code: SslErrorCode::SSL,
-            internal: Some(InternalError::User(VerifyError::from_msg(
-                PubKeyPinning,
-                "Failed to set up digest context.",
-            ))),
+            internal: Some(InternalError::Ssl(ErrorStack::get())),
         });
     }
     EVP_DigestUpdate(md_ctx, pub_key.as_ptr(), len);
diff --git a/ylong_http_client/tests/sdv_async_https_pinning.rs b/ylong_http_client/tests/sdv_async_https_pinning.rs
index dcf8547cf347eb3db8680d8410bfb02ee65315df..794b6ede16e737edd47592da83cf62cb6a871099 100644
--- a/ylong_http_client/tests/sdv_async_https_pinning.rs
+++ b/ylong_http_client/tests/sdv_async_https_pinning.rs
@@ -280,7 +280,7 @@ fn sdv_client_public_key_pinning_error() {
 
         assert_eq!(
             format!("{:?}", response.expect("response is not an error")),
-            "HttpClientError { ErrorKind: Connect, Cause: Custom { kind: Other, error: SslError {\
+            "HttpClientError { ErrorKind: Connect, Cause: Custom { kind: Other, error: SslError { \
              code: SslErrorCode(1), internal: Some(User(VerifyError { ErrorKind: PubKeyPinning, \
              Cause: Pinned public key verification failed. })) } } }"
         );