diff --git a/internal/datacoord/channel_manager.go b/internal/datacoord/channel_manager.go
index 8724d6328f..8d345eaa79 100644
--- a/internal/datacoord/channel_manager.go
+++ b/internal/datacoord/channel_manager.go
@@ -104,7 +104,7 @@ func (c *ChannelManager) Startup(nodes []int64) error {
 		}
 	}
 
-	offlines := c.getOfflines(nodes, olds)
+	offlines := c.getOffLines(nodes, olds)
 	for _, n := range offlines {
 		if err := c.DeleteNode(n); err != nil {
 			return err
@@ -187,7 +187,7 @@ func (c *ChannelManager) getNewOnlines(curr []int64, old []int64) []int64 {
 	return ret
 }
 
-func (c *ChannelManager) getOfflines(curr []int64, old []int64) []int64 {
+func (c *ChannelManager) getOffLines(curr []int64, old []int64) []int64 {
 	mcurr := make(map[int64]struct{})
 	ret := make([]int64, 0, len(old))
 	for _, n := range curr {