diff --git a/o2server/x_base_core_project/src/main/java/com/x/base/core/project/config/ExternalDataSource.java b/o2server/x_base_core_project/src/main/java/com/x/base/core/project/config/ExternalDataSource.java
index ec358e06f9fbe39b30f4c93f35d17a77e56d3901..52a75deb37c77c4c2c94c7bcaf1e5983f163c34c 100644
--- a/o2server/x_base_core_project/src/main/java/com/x/base/core/project/config/ExternalDataSource.java
+++ b/o2server/x_base_core_project/src/main/java/com/x/base/core/project/config/ExternalDataSource.java
@@ -67,7 +67,7 @@ public class ExternalDataSource extends ConfigObject {
 	private List<String> excludes;
 	@FieldDescribe("默认日志级别,FATAL, ERROR, WARN, INFO, TRACE. 完成的配置为DefaultLevel=WARN, Tool=TRACE, Enhance=TRACE, METADATA=TRACE, Runtime=TRACE, Query=TRACE, DataCache=TRACE, JDBC=TRACE, SQL=TRACE")
 	private String logLevel = DEFAULT_LOGLEVEL;
-	@FieldDescribe("事务隔离级别:default,none,read-committed,read-uncommitted,repeatable-read,serializable.默认使用default(数据库设置的事务级别).")
+	@FieldDescribe("事务隔离级别:default,none,read-uncommitted,read-committed,repeatable-read,serializable.默认使用default(数据库设置的事务级别).")
 	private String transactionIsolation;
 	@FieldDescribe("测试入池连接,默认false.")
 	private Boolean testConnectionOnCheckin;
@@ -88,7 +88,7 @@ public class ExternalDataSource extends ConfigObject {
 
 	public static final String DEFAULT_LOGLEVEL = "WARN";
 
-	public static final String DEFAULT_TRANSACTIONISOLATION = "default";
+	public static final String DEFAULT_TRANSACTIONISOLATION = "read-committed";
 
 	public static final Boolean DEFAULT_TESTCONNECTIONONCHECKIN = false;