diff --git a/core/src/main/conf/.secret.properties b/core/src/main/conf/.secret.properties
index 45b4b127..43e1975b 100755
--- a/core/src/main/conf/.secret.properties
+++ b/core/src/main/conf/.secret.properties
@@ -6,4 +6,4 @@ current.publicKey=
 current.privateKey=
 current.service.username=
 current.service.password=
-dp.public.k=
+db.encrypt.key=
diff --git a/core/src/main/java/com/alibaba/datax/core/Engine.java b/core/src/main/java/com/alibaba/datax/core/Engine.java
index 6e7185a7..6942f484 100755
--- a/core/src/main/java/com/alibaba/datax/core/Engine.java
+++ b/core/src/main/java/com/alibaba/datax/core/Engine.java
@@ -52,7 +52,7 @@ public class Engine {
         long instanceId;
         int taskGroupId = -1;
         if (isJob) {
-            JobPwdDescryptUtil.decrypt(allConf);
+            JobDataBasePwdDecryptUtil.decrypt(allConf);
             allConf.set(CoreConstant.DATAX_CORE_CONTAINER_JOB_MODE, RUNTIME_MODE);
             container = new JobContainer(allConf);
             instanceId = allConf.getLong(
diff --git a/core/src/main/java/com/alibaba/datax/core/util/JobPwdDescryptUtil.java b/core/src/main/java/com/alibaba/datax/core/util/JobDataBasePwdDecryptUtil.java
similarity index 75%
rename from core/src/main/java/com/alibaba/datax/core/util/JobPwdDescryptUtil.java
rename to core/src/main/java/com/alibaba/datax/core/util/JobDataBasePwdDecryptUtil.java
index e2bdc4ca..fd536ab5 100644
--- a/core/src/main/java/com/alibaba/datax/core/util/JobPwdDescryptUtil.java
+++ b/core/src/main/java/com/alibaba/datax/core/util/JobDataBasePwdDecryptUtil.java
@@ -3,22 +3,28 @@ package com.alibaba.datax.core.util;
 import com.alibaba.datax.common.util.Configuration;
 import com.alibaba.datax.core.util.container.CoreConstant;
 import org.apache.commons.lang.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-/**job数据库密码解密
+/**
+ * 数据库密码解密
+ *
  * @Author weizhao.dong
  * @Date 2023/3/23 14:37
  * @Version 1.0
  */
-public class JobPwdDescryptUtil {
+public class JobDataBasePwdDecryptUtil {
+    private static final Logger LOG = LoggerFactory.getLogger(JobDataBasePwdDecryptUtil.class);
 
     public static void decrypt(Configuration configuration) {
         if (configuration.getBool(CoreConstant.DATAX_JOB_SETTING_PASSWD_ENCRYPT, false)) {
             String readerPwd = configuration.getString(CoreConstant.DATA_JOB_READER_PARAMETER_PASSWORD);
             String writePwd = configuration.getString(CoreConstant.DATA_JOB_WRITER_PARAMETER_PASSWORD);
             //加密key
-            String key = SecretUtil.getSecurityProperties().getProperty(CoreConstant.PASSWD_KEY);
+            String key = SecretUtil.getSecurityProperties().getProperty(CoreConstant.DB_ENCRYPT_KEY);
             if (StringUtils.isEmpty(key)) {
-                key = CoreConstant.PASSWD_KEY_DEFAULT;
+                LOG.warn("{} is empty，use original password,", CoreConstant.DB_ENCRYPT_KEY);
+                return;
             }
             if (StringUtils.isNotEmpty(readerPwd)) {
                 configuration.set(CoreConstant.DATA_JOB_READER_PARAMETER_PASSWORD, SecretUtil.decrypt3DES(readerPwd, key));
diff --git a/core/src/main/java/com/alibaba/datax/core/util/container/CoreConstant.java b/core/src/main/java/com/alibaba/datax/core/util/container/CoreConstant.java
index e81e195c..adf78210 100755
--- a/core/src/main/java/com/alibaba/datax/core/util/container/CoreConstant.java
+++ b/core/src/main/java/com/alibaba/datax/core/util/container/CoreConstant.java
@@ -157,8 +157,8 @@ public class CoreConstant {
 	public static final String CURRENT_SERVICE_USERNAME = "current.service.username";
     
 	public static final String CURRENT_SERVICE_PASSWORD = "current.service.password";
-	public static final String PASSWD_KEY="dp.public.k";
-	public static final String PASSWD_KEY_DEFAULT="dwz1qaz2wsx";
+
+    public static final String DB_ENCRYPT_KEY = "db.encrypt.key";
 
 	// ----------------------------- 环境变量 ---------------------------------