diff --git a/core/src/main/job/job.json b/core/src/main/job/job.json
index 58206592..cc353877 100755
--- a/core/src/main/job/job.json
+++ b/core/src/main/job/job.json
@@ -2,7 +2,7 @@
     "job": {
         "setting": {
             "speed": {
-                "byte":10485760
+                "channel":1
             },
             "errorLimit": {
                 "record": 0,