diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
index b2bae878ed..38b2f10eaf 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
@@ -1173,7 +1173,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
         buf.append("{");
 
         buf.append("\n\tCreateTime:\"");
-        buf.append(getCreatedTime());
+        buf.append(JdbcUtils.toString(getCreatedTime()));
         buf.append("\"");
 
         buf.append(",\n\tActiveCount:");
diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSourceMBean.java b/src/main/java/com/alibaba/druid/pool/DruidDataSourceMBean.java
index 5e8f554058..4e4b9ce000 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSourceMBean.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSourceMBean.java
@@ -25,4 +25,6 @@ public interface DruidDataSourceMBean extends DruidAbstractDataSourceMBean {
     void setEnable(boolean enable);
 
     void shrink();
+    
+    String toString();
 }