diff --git a/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
index d746716083..4f14805dff 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
@@ -200,7 +200,7 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
     protected final AtomicLong                         cachedPreparedStatementDeleteCount        = new AtomicLong();
     protected final AtomicLong                         cachedPreparedStatementMissCount          = new AtomicLong();
 
-    protected final Histogram                          transactionHistogram                      = new Histogram(
+    protected final Histogram                          transactionHistogram                      = new Histogram(1,
                                                                                                                  10,
                                                                                                                  100,
                                                                                                                  1000,
diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatValue.java b/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatValue.java
index 1fc1b46dfb..9fc1de7285 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatValue.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSourceStatValue.java
@@ -515,7 +515,7 @@ public class DruidDataSourceStatValue {
 
     public void setTransactionHistogram(long[] values) {
         txn_0_1 = values[0];
-        txn_1_10 = values[1]
+        txn_1_10 = values[1];
         txn_10_100 = values[2];
         txn_100_1000 = values[3];
         txn_1000_10000 = values[4];