diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataAbstractSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataAbstractSource.java
index 22fc54199e..581bbb647e 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataAbstractSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataAbstractSource.java
@@ -52,7 +52,7 @@ public abstract class DruidDataAbstractSource implements DataSource, DataSourceP
     public final static boolean DEFAULT_TEST_ON_RETURN                    = false;
     public final static boolean DEFAULT_WHILE_IDLE                        = false;
     public static final long    DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS = -1L;
-    public static final int     DEFAULT_NUM_TESTS_PER_EVICTION_RUN        = 3;
+    public static final int     DEFAULT_NUM_TESTS_PER_EVICTION_RUN        = 1;
 
     /**
      * The default value for {@link #getMinEvictableIdleTimeMillis}.
@@ -208,6 +208,11 @@ public abstract class DruidDataAbstractSource implements DataSource, DataSourceP
         return numTestsPerEvictionRun;
     }
 
+    /**
+     * 
+     * @param numTestsPerEvictionRun
+     */
+    @Deprecated
     public void setNumTestsPerEvictionRun(int numTestsPerEvictionRun) {
         this.numTestsPerEvictionRun = numTestsPerEvictionRun;
     }
diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSourceFactory.java b/src/main/java/com/alibaba/druid/pool/DruidDataSourceFactory.java
index b63046b1de..62c6df92e7 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSourceFactory.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSourceFactory.java
@@ -114,6 +114,7 @@ public class DruidDataSourceFactory implements ObjectFactory {
      * @param properties the datasource configuration properties
      * @throws Exception if an error occurs creating the data source
      */
+    @SuppressWarnings("deprecation")
     public static DataSource createDataSource(Properties properties) throws Exception {
         DruidDataSource dataSource = new DruidDataSource();
         String value = null;