diff --git a/instance/manager/src/main/java/com/alibaba/otter/canal/instance/manager/CanalInstanceWithManager.java b/instance/manager/src/main/java/com/alibaba/otter/canal/instance/manager/CanalInstanceWithManager.java
index 63ed2d02..778a40aa 100644
--- a/instance/manager/src/main/java/com/alibaba/otter/canal/instance/manager/CanalInstanceWithManager.java
+++ b/instance/manager/src/main/java/com/alibaba/otter/canal/instance/manager/CanalInstanceWithManager.java
@@ -6,6 +6,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
+import com.alibaba.otter.canal.meta.FileMixedMetaManager;
 import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -38,12 +39,7 @@ import com.alibaba.otter.canal.parse.inbound.AbstractEventParser;
 import com.alibaba.otter.canal.parse.inbound.group.GroupEventParser;
 import com.alibaba.otter.canal.parse.inbound.mysql.LocalBinlogEventParser;
 import com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser;
-import com.alibaba.otter.canal.parse.index.CanalLogPositionManager;
-import com.alibaba.otter.canal.parse.index.FailbackLogPositionManager;
-import com.alibaba.otter.canal.parse.index.MemoryLogPositionManager;
-import com.alibaba.otter.canal.parse.index.MetaLogPositionManager;
-import com.alibaba.otter.canal.parse.index.PeriodMixedLogPositionManager;
-import com.alibaba.otter.canal.parse.index.ZooKeeperLogPositionManager;
+import com.alibaba.otter.canal.parse.index.*;
 import com.alibaba.otter.canal.parse.support.AuthenticationInfo;
 import com.alibaba.otter.canal.protocol.position.EntryPosition;
 import com.alibaba.otter.canal.sink.entry.EntryEventSink;