diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/adapter/LocalizationAdapter.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/adapter/LocalizationAdapter.java
index 3528578de668d9a96001ed001177f440c489245a..55ce428f33a5b1cbe66c45b661b7d68698f0a651 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/adapter/LocalizationAdapter.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/adapter/LocalizationAdapter.java
@@ -53,7 +53,7 @@ public class LocalizationAdapter {
     /**
      * Logger
      */
-    private static final LogUtils logger = new LogUtils(LocalizationAdapter.class);
+    private static final LogUtils LOGGER = new LogUtils(LocalizationAdapter.class);
 
     /**
      * Params
@@ -270,7 +270,7 @@ public class LocalizationAdapter {
         try {
             certificates = CertUtils.generateCertificates(FileUtils.readFile(certFile));
         } catch (IOException | CertificateException | VerifyCertificateChainException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.ACCESS_ERROR, exception.getMessage()
                 + "\nSolutions:"
                 + "\n> The certificate format is incorrect, please check your appCertFile parameter.");
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/api/SignToolServiceImpl.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/api/SignToolServiceImpl.java
index bb4d1895d2339450e6da0d0afea229bcaa8feb7d..27fef50f041fbc09e73c078d88ecba833cb85cce 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/api/SignToolServiceImpl.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/api/SignToolServiceImpl.java
@@ -68,7 +68,7 @@ public class SignToolServiceImpl implements ServiceApi {
     /**
      * Logger.
      */
-    private static final LogUtils logger = new LogUtils(ServiceApi.class);
+    private static final LogUtils LOGGER = new LogUtils(ServiceApi.class);
 
     static {
         Security.addProvider(new BouncyCastleProvider());
@@ -256,8 +256,8 @@ public class SignToolServiceImpl implements ServiceApi {
             FileUtils.write(p7b, new File(adapter.getOutFile()));
             isSuccess = true;
         } catch (IOException exception) {
-            logger.debug(exception.getMessage(), exception);
-            logger.error(exception.getMessage());
+            LOGGER.debug(exception.getMessage(), exception);
+            LOGGER.error(exception.getMessage());
             isSuccess = false;
         }
         return isSuccess;
@@ -279,12 +279,12 @@ public class SignToolServiceImpl implements ServiceApi {
             VerificationResult verificationResult = verifyHelper.verify(p7b);
             isSign = verificationResult.isVerifiedPassed();
             if (!isSign) {
-                logger.error(verificationResult.getMessage());
+                LOGGER.error(verificationResult.getMessage());
             }
             outputString(FileUtils.GSON_PRETTY_PRINT.toJson(verificationResult), adapter.getOutFile());
         } catch (IOException exception) {
-            logger.debug(exception.getMessage(), exception);
-            logger.error(exception.getMessage());
+            LOGGER.debug(exception.getMessage(), exception);
+            LOGGER.error(exception.getMessage());
             isSign = false;
         } catch (VerifyException e) {
             CustomException.throwException(ERROR.VERIFY_ERROR, "Verify Profile Failed! " + e.getMessage());
@@ -309,7 +309,7 @@ public class SignToolServiceImpl implements ServiceApi {
         } else if ("remoteSign".equalsIgnoreCase(mode)) {
             signProvider = new RemoteSignProvider();
         } else {
-            logger.info("Resign mode. But not implement yet");
+            LOGGER.info("Resign mode. But not implement yet");
             return false;
         }
 
@@ -343,12 +343,12 @@ public class SignToolServiceImpl implements ServiceApi {
      */
     public void outputString(String content, String file) {
         if (StringUtils.isEmpty(file)) {
-            logger.info(content);
+            LOGGER.info(content);
         } else {
             try {
                 FileUtils.write(content.getBytes(StandardCharsets.UTF_8), new File(file));
             } catch (IOException exception) {
-                logger.debug(exception.getMessage(), exception);
+                LOGGER.debug(exception.getMessage(), exception);
                 CustomException.throwException(ERROR.WRITE_FILE_ERROR, exception.getMessage());
             }
         }
@@ -364,14 +364,14 @@ public class SignToolServiceImpl implements ServiceApi {
     public boolean outputCert(X509Certificate certificate, String file) {
         try {
             if (StringUtils.isEmpty(file)) {
-                logger.info(CertUtils.generateCertificateInCer(certificate));
+                LOGGER.info(CertUtils.generateCertificateInCer(certificate));
             } else {
                 FileUtils.write(CertUtils.generateCertificateInCer(certificate).getBytes(StandardCharsets.UTF_8),
                         new File(file));
             }
             return true;
         } catch (CertificateException | IOException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.WRITE_FILE_ERROR, exception.getMessage());
             return false;
         }
@@ -391,13 +391,13 @@ public class SignToolServiceImpl implements ServiceApi {
                 stringBuilder.append(CertUtils.generateCertificateInCer(cert));
             }
             if (StringUtils.isEmpty(file)) {
-                logger.info(stringBuilder.toString());
+                LOGGER.info(stringBuilder.toString());
             } else {
                 FileUtils.write(stringBuilder.toString().getBytes(StandardCharsets.UTF_8), new File(file));
             }
             return true;
         } catch (CertificateException | IOException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.WRITE_FILE_ERROR, exception.getMessage());
             return false;
         }
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/cert/CertBuilder.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/cert/CertBuilder.java
index 6ce87c4990035d8bb8f66a67d5c9f1d371b3e42b..97939ffd8c2e745e8df7c8c7d3fec9362b446781 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/cert/CertBuilder.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/cert/CertBuilder.java
@@ -58,7 +58,7 @@ public class CertBuilder {
     /**
      * Logger.
      */
-    private static final LogUtils logger = new LogUtils(ServiceApi.class);
+    private static final LogUtils LOGGER = new LogUtils(ServiceApi.class);
 
     /**
      * issuer keyPair.
@@ -87,7 +87,7 @@ public class CertBuilder {
         try {
             request = new PKCS10CertificationRequest(csr);
         } catch (IOException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.IO_CSR_ERROR, exception.getMessage());
         }
         x509v3CertificateBuilder = new X509v3CertificateBuilder(
@@ -99,10 +99,10 @@ public class CertBuilder {
             x509v3CertificateBuilder.addExtension(Extension.subjectKeyIdentifier, false,
                     extUtils.createSubjectKeyIdentifier(request.getSubjectPublicKeyInfo()));
         } catch (NoSuchAlgorithmException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.NOT_SUPPORT_ERROR, exception.getMessage());
         } catch (CertIOException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.IO_CERT_ERROR, exception.getMessage());
         }
     }
@@ -122,10 +122,10 @@ public class CertBuilder {
                                 .getInstance(keyPair.getPublic().getEncoded())));
             }
         } catch (NoSuchAlgorithmException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.NOT_SUPPORT_ERROR, exception.getMessage());
         } catch (CertIOException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.IO_CERT_ERROR, exception.getMessage());
         }
         return this;
@@ -216,16 +216,16 @@ public class CertBuilder {
                     .getCertificate(x509v3CertificateBuilder.build(contentSigner));
             cert.verify(keyPair.getPublic());
         } catch (InvalidKeyException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.KEY_ERROR, exception.getMessage());
         } catch (SignatureException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.SIGN_ERROR, exception.getMessage());
         } catch (CertificateException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.CERTIFICATE_ERROR, exception.getMessage());
         } catch (NoSuchAlgorithmException | NoSuchProviderException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.NOT_SUPPORT_ERROR, exception.getMessage());
         }
         return cert;
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/signer/LocalSigner.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/signer/LocalSigner.java
index d6f5ed93da7be1a22f6c3f4b12a59bd7fde85deb..cccb93812e19b440fe205d7a7db0ce750c6af25d 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/signer/LocalSigner.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/signer/LocalSigner.java
@@ -40,7 +40,7 @@ public class LocalSigner implements ISigner {
     /**
      * logger of LocalSigner
      */
-    private static final LogUtils logger = new LogUtils(LocalSigner.class);
+    private static final LogUtils LOGGER = new LogUtils(LocalSigner.class);
 
     /**
      * PrivateKey.
@@ -84,7 +84,7 @@ public class LocalSigner implements ISigner {
             signData = signature.sign();
         } catch (NoSuchAlgorithmException | InvalidKeyException | InvalidAlgorithmParameterException
                 | SignatureException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.SIGN_ERROR, exception.getMessage());
         }
         return signData;
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/KeyStoreHelper.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/KeyStoreHelper.java
index ed09baa8aef25daba8c00b8e773a88d2558e4459..16e6b3d3457d2af51236291eeec95e4c387b5b9c 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/KeyStoreHelper.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/KeyStoreHelper.java
@@ -80,7 +80,7 @@ public class KeyStoreHelper {
     /**
      * Use LogManager to show log instead of use "System.out.print" to show log.
      */
-    private static final LogUtils logger = new LogUtils(KeyStoreHelper.class);
+    private static final LogUtils LOGGER = new LogUtils(KeyStoreHelper.class);
 
     /**
      * Field keyStorePath.
@@ -116,14 +116,14 @@ public class KeyStoreHelper {
         FileInputStream fis = null;
         try {
             if (FileUtils.isFileExist(keyStorePath)) {
-                logger.info("{} is exist. Try to load it with given passwd", keyStorePath);
+                LOGGER.info("{} is exist. Try to load it with given passwd", keyStorePath);
                 fis = new FileInputStream(keyStorePath);
                 keyStore.load(fis, pwd);
             } else {
                 keyStore.load(null, null);
             }
         } catch (IOException | NoSuchAlgorithmException | CertificateException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
              CustomException.throwException(ERROR.ACCESS_ERROR, "Init keystore failed: " + exception.getMessage()
                     + "\nSolutions:"
                     + "\n> The key store file does not exist, please check the key store file path."
@@ -168,7 +168,7 @@ public class KeyStoreHelper {
         try {
             return keyStore.containsAlias(alias);
         } catch (KeyStoreException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.ACCESS_ERROR, exception.getMessage());
             return false;
         }
@@ -205,10 +205,10 @@ public class KeyStoreHelper {
                 return (PrivateKey) key;
             }
         } catch (KeyStoreException | NoSuchAlgorithmException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.ACCESS_ERROR, exception.getMessage());
         } catch (UnrecoverableKeyException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.ACCESS_ERROR, "Password error of '" + alias + "'");
         }
         return null;
@@ -228,7 +228,7 @@ public class KeyStoreHelper {
         try {
             cert.checkValidity();
         } catch (CertificateExpiredException | CertificateNotYetValidException exception) {
-            logger.info("p12's certificates is not valid");
+            LOGGER.info("p12's certificates is not valid");
         }
         certificates.add(cert);
     }
@@ -257,7 +257,7 @@ public class KeyStoreHelper {
                 }
             }
         } catch (KeyStoreException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.KEYSTORE_OPERATION_ERROR, exception.getMessage());
         }
 
@@ -292,7 +292,7 @@ public class KeyStoreHelper {
             keyStore.store(fos, keyStorePwd);
             fos.flush();
         } catch (KeyStoreException | IOException | NoSuchAlgorithmException | CertificateException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.WRITE_FILE_ERROR, exception.getMessage());
             return false;
         }
@@ -319,7 +319,7 @@ public class KeyStoreHelper {
             return new JcaX509CertificateConverter().setProvider("BC")
                     .getCertificate(certificateBuilder.build(contentSigner));
         } catch (CertificateException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.IO_CERT_ERROR, exception.getMessage());
             return null;
         }
@@ -343,7 +343,7 @@ public class KeyStoreHelper {
                 typeKeyStore = KeyStore.getInstance(KeyStore.getDefaultType());
             }
         } catch (KeyStoreException exception) {
-            logger.debug(exception.getMessage(), exception);
+            LOGGER.debug(exception.getMessage(), exception);
             CustomException.throwException(ERROR.KEYSTORE_OPERATION_ERROR, exception.getMessage());
         }
         return typeKeyStore;
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/LogFormatter.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/LogFormatter.java
index 344a730daf5caf74d31d6cd0bed73fa134cc0606..ac0311363c87d275cc9b90595e45f86f47a92ccf 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/LogFormatter.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/LogFormatter.java
@@ -15,7 +15,6 @@
 
 package com.ohos.hapsigntool.utils;
 
-
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -28,8 +27,7 @@ import java.util.logging.LogRecord;
  * @since 2024/12/08
  */
 public class LogFormatter extends Formatter {
-    private final static DateFormat DATE_FORMAT = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
-
+    private static final DateFormat DATE_FORMAT = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
 
     /**
      * format log.
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/LogUtils.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/LogUtils.java
index 9a0610994f8af5b1abde81724925c190ac127377..825038ad8cb1dcaffad00bc9d15ed988efb71ef7 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/LogUtils.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/LogUtils.java
@@ -27,9 +27,10 @@ import java.security.ProtectionDomain;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Properties;
-import java.util.logging.ConsoleHandler;
+import java.util.logging.Handler;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import java.util.logging.StreamHandler;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -39,26 +40,37 @@ import java.util.regex.Pattern;
  * @since 2024/12/08
  */
 public class LogUtils {
-    private static Logger logger;
     private static Level level;
     private static final Map<String, Level> LEVEL_MAP = new HashMap<>();
     private static final String DEFAULT_LEVEL = "info";
     private static final Pattern PATTERN = Pattern.compile("\\{}");
 
+    private static final Handler OUT_HANDLER;
+    private static final Handler ERR_HANDLER;
+
     static {
         LEVEL_MAP.put(DEFAULT_LEVEL, Level.INFO);
         LEVEL_MAP.put("debug", Level.CONFIG);
         LEVEL_MAP.put("warn", Level.WARNING);
         LEVEL_MAP.put("error", Level.SEVERE);
-        String configFileName = "log.config";
+        String configFileName = "log.properties";
 
         try {
             level = LEVEL_MAP.get(getJarConfig(configFileName));
         } catch (LogConfigException e) {
             level = LEVEL_MAP.get(getDefaultLogLevel(configFileName));
         }
+
+        LogFormatter logFormatter = new LogFormatter();
+        OUT_HANDLER = new StreamHandler(System.out, logFormatter);
+        OUT_HANDLER.setFilter(record -> record.getLevel() != Level.SEVERE && record.getLevel() != Level.WARNING);
+        OUT_HANDLER.setLevel(level);
+        ERR_HANDLER = new StreamHandler(System.err, logFormatter);
+        ERR_HANDLER.setLevel(Level.WARNING);
     }
 
+    private final Logger logger;
+
     /**
      * format log utils constructor.
      *
@@ -67,10 +79,8 @@ public class LogUtils {
     public LogUtils(Class<?> clazz) {
         logger = Logger.getLogger(clazz.getName());
         logger.setUseParentHandlers(false);
-        ConsoleHandler consoleHandler = new ConsoleHandler();
-        LogFormatter logFormatter = new LogFormatter();
-        consoleHandler.setFormatter(logFormatter);
-        logger.addHandler(consoleHandler);
+        logger.addHandler(OUT_HANDLER);
+        logger.addHandler(ERR_HANDLER);
         logger.setLevel(level);
     }
 
@@ -81,6 +91,7 @@ public class LogUtils {
      */
     public void info(String log) {
         logger.info(" INFO - " + log);
+        OUT_HANDLER.flush();
     }
 
     /**
@@ -91,6 +102,7 @@ public class LogUtils {
      */
     public void info(String log, Object arg) {
         logger.info(" INFO - " + replaceArgs(log, arg));
+        OUT_HANDLER.flush();
     }
 
     /**
@@ -102,6 +114,7 @@ public class LogUtils {
      */
     public void info(String log, Object arg1, Object arg2) {
         logger.info(" INFO - " + replaceArgs(log, arg1, arg2));
+        OUT_HANDLER.flush();
     }
 
     /**
@@ -110,7 +123,8 @@ public class LogUtils {
      * @param log log string
      */
     public void warn(String log) {
-        logger.warning(" WARN - " +  log);
+        logger.warning(" WARN - " + log);
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -120,7 +134,8 @@ public class LogUtils {
      * @param arg arg
      */
     public void warn(String log, Object arg) {
-        logger.warning(" WARN - " +  replaceArgs(log, arg));
+        logger.warning(" WARN - " + replaceArgs(log, arg));
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -132,6 +147,7 @@ public class LogUtils {
      */
     public void warn(String log, Object arg, Throwable e) {
         logger.log(Level.WARNING, e, () -> " DEBUG - " + replaceArgs(log, arg));
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -142,7 +158,8 @@ public class LogUtils {
      * @param arg2 arg
      */
     public void warn(String log, Object arg1, Object arg2) {
-        logger.warning(" WARN - " +  replaceArgs(log, arg1, arg2));
+        logger.warning(" WARN - " + replaceArgs(log, arg1, arg2));
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -153,6 +170,7 @@ public class LogUtils {
      */
     public void warn(String log, Throwable e) {
         logger.log(Level.WARNING, e, () -> " DEBUG - " + log);
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -161,7 +179,8 @@ public class LogUtils {
      * @param log log string
      */
     public void debug(String log) {
-        logger.config(" DEBUG - " +  log);
+        logger.config(" DEBUG - " + log);
+        OUT_HANDLER.flush();
     }
 
     /**
@@ -172,7 +191,8 @@ public class LogUtils {
      * @param arg2 arg
      */
     public void debug(String log, Object arg1, Object arg2) {
-        logger.warning(" WARN - " +  replaceArgs(log, arg1, arg2));
+        logger.warning(" WARN - " + replaceArgs(log, arg1, arg2));
+        OUT_HANDLER.flush();
     }
 
     /**
@@ -183,6 +203,7 @@ public class LogUtils {
      */
     public void debug(String log, Throwable e) {
         logger.log(Level.CONFIG, e, () -> " DEBUG - " + log);
+        OUT_HANDLER.flush();
     }
 
     /**
@@ -192,7 +213,8 @@ public class LogUtils {
      * @param arg arg
      */
     public void debug(String log, Object arg) {
-        logger.config(" DEBUG - " +  replaceArgs(log, arg));
+        logger.config(" DEBUG - " + replaceArgs(log, arg));
+        OUT_HANDLER.flush();
     }
 
     /**
@@ -201,7 +223,8 @@ public class LogUtils {
      * @param log log string
      */
     public void error(String log) {
-        logger.severe(" ERROR - " +  log);
+        logger.severe(" ERROR - " + log);
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -212,6 +235,7 @@ public class LogUtils {
      */
     public void error(String log, Throwable e) {
         logger.log(Level.SEVERE, e, () -> " ERROR - " + log);
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -223,6 +247,7 @@ public class LogUtils {
      */
     public void error(String log, Object arg, Throwable e) {
         logger.log(Level.SEVERE, e, () -> " ERROR - " + replaceArgs(log, arg));
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -232,7 +257,8 @@ public class LogUtils {
      * @param arg arg
      */
     public void error(String log, Object arg) {
-        logger.severe(" ERROR - " +  replaceArgs(log, arg));
+        logger.severe(" ERROR - " + replaceArgs(log, arg));
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -243,7 +269,8 @@ public class LogUtils {
      * @param arg2 arg
      */
     public void error(String log, Object arg1, Object arg2) {
-        logger.severe(" ERROR - " +  replaceArgs(log, arg1, arg2));
+        logger.severe(" ERROR - " + replaceArgs(log, arg1, arg2));
+        ERR_HANDLER.flush();
     }
 
     /**
@@ -255,7 +282,8 @@ public class LogUtils {
      * @param arg3 arg
      */
     public void error(String log, Object arg1, Object arg2, Object arg3) {
-        logger.severe(" ERROR - " +  replaceArgs(log, arg1, arg2, arg3));
+        logger.severe(" ERROR - " + replaceArgs(log, arg1, arg2, arg3));
+        ERR_HANDLER.flush();
     }
 
     private static String replaceArgs(String line, Object... args) {
diff --git a/tools/auto_test.py b/tools/auto_test.py
index d20f8175b850f6d4e98b6940cf3f978578648b6e..693b2ff52cf3b4b5cebcd16f9929d1cb675494ce 100644
--- a/tools/auto_test.py
+++ b/tools/auto_test.py
@@ -21,8 +21,8 @@ import sys
 import time
 import ast
 import re
+import tempfile
 from subprocess import Popen
-from subprocess import PIPE
 
 
 def print_help():
@@ -274,29 +274,29 @@ def run_target(case, cmd):
     case_result['times'] = case_result['times'] + 1
     start = time.time()
 
-    command = Popen(cmd, stdout=PIPE, stderr=PIPE, stdin=PIPE, shell=False)
+    out_temp = tempfile.TemporaryFile(mode='w+')
+    command = Popen(cmd, stdout=out_temp, stderr=out_temp, stdin=out_temp, shell=False)
+    success = True
+    code = command.wait()
+    if code != 0:
+        success = False
 
-    out = command.stdout.readlines()
-    with open("log.txt", mode='a+', encoding='utf-8') as f:
+    log_name = "log.txt"
+    if not success:
+        log_name = "error.txt"
+
+    out_temp.seek(0)
+    out = out_temp.readlines()
+    with open(log_name, mode='a+', encoding='utf-8') as f:
         if len(out) > 0:
             f.writelines(' '.join(cmd) + "\r\n")
         for line in out:
             f.writelines(str(line.strip()) + "\r\n")
+    out_temp.close()
 
-    success = True
-    error = command.stderr.readlines()
-    with open("error.txt", mode='a+', encoding='utf-8') as f:
-        if len(error) > 0:
-            f.writelines(' '.join(cmd) + "\r\n")
-        for line in error:
-            f.writelines(str(line.strip()) + "\r\n")
-
-    code = command.wait()
-    if code != 0:
-        success = False
     end = time.time()
     case_result['total_cost'] = case_result['total_cost'] + (end - start)
-
+    out_temp.close()
     if success:
         case_result['success'] = case_result['success'] + 1
     else: