diff --git a/source/session_server/controller/session.js b/source/session_server/controller/session.js
index db534f4..6e86cc6 100644
--- a/source/session_server/controller/session.js
+++ b/source/session_server/controller/session.js
@@ -65,10 +65,7 @@ module.exports.create_session = async (req, res, next) => {
                 detached: true
             })
         app_proc.on('error', function(err) {
-            logger_runtime.error(err)
-            response = {msg:'APP_PROC_ERROR'}
-            callback(response)
-            return
+            throw new Error('create proc error')
         })
         app_proc.on('close', (code) => {
             app_port_alloc.free(app_port)
@@ -79,10 +76,7 @@ module.exports.create_session = async (req, res, next) => {
                 detached: true
             })
         webrtc_proc.on('error', function(err) {
-            logger_runtime.error(err)
-            response = {msg:'WEBRTC_PROC_ERROR'}
-            callback(response)
-            return
+            throw new Error('create webrtc error')
         })
         webrtc_proc.on('close', (code) => {
             http_port_alloc.free(http_port)