diff --git a/apps/iot/src/handler/http_api_handler.erl b/apps/iot/src/http_handler/http_api_handler.erl
similarity index 100%
rename from apps/iot/src/handler/http_api_handler.erl
rename to apps/iot/src/http_handler/http_api_handler.erl
diff --git a/apps/iot/src/handler/http_host_handler.erl b/apps/iot/src/http_handler/http_host_handler.erl
similarity index 100%
rename from apps/iot/src/handler/http_host_handler.erl
rename to apps/iot/src/http_handler/http_host_handler.erl
diff --git a/apps/iot/src/handler/http_router_handler.erl b/apps/iot/src/http_handler/http_router_handler.erl
similarity index 100%
rename from apps/iot/src/handler/http_router_handler.erl
rename to apps/iot/src/http_handler/http_router_handler.erl
diff --git a/apps/iot/src/handler/iot_message_handler.erl b/apps/iot/src/mqtt_handler/iot_message_handler.erl
similarity index 100%
rename from apps/iot/src/handler/iot_message_handler.erl
rename to apps/iot/src/mqtt_handler/iot_message_handler.erl