diff --git a/ClientExample.md b/ClientExample.md
index 2a09db5..da7ed67 100644
--- a/ClientExample.md
+++ b/ClientExample.md
@@ -44,6 +44,8 @@ maven3.0.5以上版本舍弃了create，使用generate生成项目
 import java.net.InetSocketAddress;
 import java.util.List;
 
+import com.alibaba.otter.canal.client.CanalConnectors;
+import com.alibaba.otter.canal.client.CanalConnector;
 import com.alibaba.otter.canal.common.utils.AddressUtils;
 import com.alibaba.otter.canal.protocol.Message;
 import com.alibaba.otter.canal.protocol.CanalEntry.Column;
@@ -128,7 +130,7 @@ public class SimpleCanalClientExample {
         }
     }
 
-    private static void printColumn(List<Column> columns) {
+    private static void printColumn(List<Column> columns) {
         for (Column column : columns) {
             System.out.println(column.getName() + " : " + column.getValue() + "    update=" + column.getUpdated());
         }