diff --git a/docs/developer_guides/chap03_index_service.md b/docs/developer_guides/chap03_index_service.md
index fda486526a..4627679f2f 100644
--- a/docs/developer_guides/chap03_index_service.md
+++ b/docs/developer_guides/chap03_index_service.md
@@ -92,8 +92,8 @@ type IndexFilePathsResponse struct {
 ```go
 type IndexNode interface {
   Service
-//  SetTimeTickChannel(channelID string) error
-//  SetStatsChannel(channelID string) error
+//  SetTimeTickChannel(channelName string) error
+//  SetStatsChannel(channelName string) error
   
   BuildIndex(req BuildIndexRequest) (BuildIndexResponse, error)
 }
diff --git a/docs/developer_guides/chap04_message_stream.md b/docs/developer_guides/chap04_message_stream.md
index 85eda4b37e..2f4767abd2 100644
--- a/docs/developer_guides/chap04_message_stream.md
+++ b/docs/developer_guides/chap04_message_stream.md
@@ -32,7 +32,7 @@ type CreateChannelRequest struct {
 }
 
 type CreateChannelResponse struct {
-  ChannelIDs []string
+  ChannelNames []string
 }
 ```
 
@@ -40,7 +40,7 @@ type CreateChannelResponse struct {
 
 ```go
 type DestoryChannelRequest struct {
-	ChannelIDs []string
+	ChannelNames []string
 }
 ```
 
@@ -50,11 +50,11 @@ type DestoryChannelRequest struct {
 
 ```go
 type DescribeChannelRequest struct {
-	ChannelIDs []string
+	ChannelNames []string
 }
 
 type ChannelDescription struct {
-  ChannelID string
+  ChannelName string
   Owner OwnerDescription
 }
 
diff --git a/docs/developer_guides/chap05_proxy.md b/docs/developer_guides/chap05_proxy.md
index b0ebdd66a7..0335f409c7 100644
--- a/docs/developer_guides/chap05_proxy.md
+++ b/docs/developer_guides/chap05_proxy.md
@@ -70,8 +70,8 @@ type InvalidateCollMetaCacheRequest struct {
 ```go
 type ProxyNode interface {
   Service
-  //SetTimeTickChannel(channelID string) error
-  //SetStatsChannel(channelID string) error
+  //SetTimeTickChannel(channelName string) error
+  //SetStatsChannel(channelName string) error
   
 	CreateCollection(req CreateCollectionRequest) error
   DropCollection(req DropCollectionRequest) error
diff --git a/docs/developer_guides/chap06_master.md b/docs/developer_guides/chap06_master.md
index 357a52a529..860f769e34 100644
--- a/docs/developer_guides/chap06_master.md
+++ b/docs/developer_guides/chap06_master.md
@@ -359,8 +359,8 @@ Master
 message TenantMeta {
   uint64 id = 1;
   uint64 num_query_nodes = 2;
-  repeated string insert_channel_ids = 3;
-  string query_channel_id = 4;
+  repeated string insert_channel_names = 3;
+  string query_channel_name = 4;
 }
 ```
 
@@ -370,7 +370,7 @@ message TenantMeta {
 message ProxyMeta {
   uint64 id = 1;
   common.Address address = 2;
-  repeated string result_channel_ids = 3;
+  repeated string result_channel_names = 3;
 }
 ```
 
@@ -598,7 +598,7 @@ func NewSegmentManagement(ctx context.Context) *SegmentManagement
 
 ###### 10.7.1 Assign Segment ID to Inserted Rows
 
-Master receives *AssignSegIDRequest* which contains a list of *SegIDRequest(count, channelID, collectionName, partitionName)* from Proxy. Segment Manager will assign the opened segments or open a new segment if there is no enough space, and Segment Manager will record the allocated space which can be reallocated after a expire duration.
+Master receives *AssignSegIDRequest* which contains a list of *SegIDRequest(count, channelName, collectionName, partitionName)* from Proxy. Segment Manager will assign the opened segments or open a new segment if there is no enough space, and Segment Manager will record the allocated space which can be reallocated after a expire duration.
 
 ```go
 func (segMgr *SegmentManager) AssignSegmentID(segIDReq []*internalpb.SegIDRequest) ([]*internalpb.SegIDAssignment, error)
diff --git a/docs/developer_guides/chap07_query_service.md b/docs/developer_guides/chap07_query_service.md
index 33149d87ef..98eedcc540 100644
--- a/docs/developer_guides/chap07_query_service.md
+++ b/docs/developer_guides/chap07_query_service.md
@@ -161,8 +161,8 @@ type ReleasePartitionRequest struct {
 
 ```go
 type CreateQueryChannelResponse struct {
-  RequestChannelID string
-  ResultChannelID string
+  RequestChannelName string
+  ResultChannelName string
 }
 ```
 
@@ -177,8 +177,8 @@ type QueryNode interface {
   AddQueryChannel(req AddQueryChannelRequest) error
   RemoveQueryChannel(req RemoveQueryChannelRequest) error
   WatchDmChannels(req WatchDmChannelRequest) error
-  //SetTimeTickChannel(channelID string) error
-  //SetStatsChannel(channelID string) error
+  //SetTimeTickChannel(channelName string) error
+  //SetStatsChannel(channelName string) error
   
   LoadSegments(req LoadSegmentRequest) error
   ReleaseSegments(req ReleaseSegmentRequest) error
@@ -193,8 +193,8 @@ type QueryNode interface {
 ```go
 type AddQueryChannelRequest struct {
   RequestBase
-  RequestChannelID string
-  ResultChannelID string
+  RequestChannelName string
+  ResultChannelName string
 }
 ```
 
@@ -202,8 +202,8 @@ type AddQueryChannelRequest struct {
 
 ```go
 type RemoveQueryChannelRequest struct {
-  RequestChannelID string
-  ResultChannelID string
+  RequestChannelName string
+  ResultChannelName string
 }
 ```
 
@@ -211,7 +211,7 @@ type RemoveQueryChannelRequest struct {
 
 ```go
 type WatchDmChannelRequest struct {
-  InsertChannelIDs []string
+  InsertChannelNames []string
 }
 ```
 
diff --git a/docs/developer_guides/chap09_data_service.md b/docs/developer_guides/chap09_data_service.md
index c996cb567d..7dcbc1ece5 100644
--- a/docs/developer_guides/chap09_data_service.md
+++ b/docs/developer_guides/chap09_data_service.md
@@ -58,7 +58,7 @@ type RegisterNodeResponse struct {
 ```go
 type SegIDRequest struct {
   Count uint32
-  ChannelID string
+  ChannelName string
 	CollectionID UniqueID
   PartitionID UniqueID
 }
@@ -70,7 +70,7 @@ type AssignSegIDRequest struct {
 
 type SegIDAssignment struct {
   SegmentID UniqueID
-  ChannelID string
+  ChannelName string
   Count uint32
 	CollectionID UniqueID
   PartitionID UniqueID
@@ -170,9 +170,9 @@ type DataNode interface {
   Service
   
   WatchDmChannels(req WatchDmChannelRequest) error
-  //WatchDdChannel(channelID string) error
-  //SetTimeTickChannel(channelID string) error
-  //SetStatsChannel(channelID string) error
+  //WatchDdChannel(channelName string) error
+  //SetTimeTickChannel(channelName string) error
+  //SetStatsChannel(channelName string) error
   
   FlushSegments(req FlushSegRequest) error
 }
@@ -185,7 +185,7 @@ type DataNode interface {
 ```go
 type WatchDmChannelRequest struct {
   RequestBase
-  InsertChannelIDs []string
+  InsertChannelNames []string
 }
 ```