diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 50ced73b47cea33ae59adc09ac0c809b731ccb3d..6dc98f20aca1dffcafca06f897a22ca9e93048e0 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -21,6 +21,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-449 - Add vectors twice success, once with ids, the other no ids
 - MS-461 - Mysql meta unittest failed
 - MS-462 - Run milvus server twices, should display error
+- MS-463 - Search timeout
 
 ## Improvement
 - MS-327 - Clean code for milvus
diff --git a/cpp/conf/server_config.template b/cpp/conf/server_config.template
index 777b8dedb6e6ccae6ec3a303263bab847a5741c4..8cee387765d05934bb0480488f242007de6e3660 100644
--- a/cpp/conf/server_config.template
+++ b/cpp/conf/server_config.template
@@ -83,9 +83,13 @@ resource_config:
 #      enable_executor: true
 
   # connection list, length: 0~N
-  # format: -${resource_name}===${resource_name}
+      # format: -${resource_name}===${resource_name}
   connections:
-    - ssda===cpu
-    - cpu===gpu0
+    io:
+      speed: 500
+      endpoint: ssda===cpu
+    pcie:
+      speed: 11000
+      endpoint: cpu===gpu0
 #    - cpu===gtx1660
 
diff --git a/cpp/src/server/ServerConfig.h b/cpp/src/server/ServerConfig.h
index 96d06ff550020de0a84659bcdc49c930f41a95d5..f60617ba266a7ca08636f4e4e4f70921aeb81582 100644
--- a/cpp/src/server/ServerConfig.h
+++ b/cpp/src/server/ServerConfig.h
@@ -58,7 +58,7 @@ static const char* CONFIG_RESOURCE_ENABLE_LOADER = "enable_loader";
 static const char* CONFIG_RESOURCE_ENABLE_EXECUTOR = "enable_executor";
 static const char* CONFIG_RESOURCE_CONNECTIONS = "connections";
 static const char* CONFIG_SPEED_CONNECTIONS = "speed";
-static const char* CONFIG_ENDPOINT_CONNECTIONS = "connections";
+static const char* CONFIG_ENDPOINT_CONNECTIONS = "endpoint";
 
 
 class ServerConfig {