modify log information

Author: 简游

collector/ckpt/ckpt_manager.go

@@ -61,7 +61,7 @@ func (manager *CheckpointManager) Get() (*CheckpointContext, bool, error) {
 	var exist bool
 	manager.ctx, exist = manager.delegate.Get()
 	if manager.ctx == nil {
-		return nil, exist, fmt.Errorf("get by checkpoint manager[%v] failed", manager.Type)
+		return nil, exist, fmt.Errorf("get by checkpoint info from db or api failed, please see err log")
 	}
 
 	// check fcv

collector/ckpt/ckpt_operation.go

@@ -113,7 +113,7 @@ func (ckpt *MongoCheckpoint) Get() (*CheckpointContext, bool) {
 	}
 
 	ckpt.close()
-	LOG.Warn("%s Reload ckpt find context fail. %v", ckpt.Name, err)
+	LOG.Error("%s Reload ckpt find context fail. %v", ckpt.Name, err)
 	return nil, false
 }