diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
index fd96da66d0..0263248828 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
@@ -436,6 +436,8 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
             } finally {
                 lock.unlock();
             }
+            
+            JdbcUtils.close(conn);
 
             throw e;
         }