Cannot run debug mode in client code

I can set breakpoint in server side code but cannot debug in client
side code, my run/debug configuration, Arguments tab > Program
arguments is as follow:
Run/Debug Settings
-remoteUI "${gwt_remote_ui_server_port}:${unique_id}" -startupUrl
http://127.0.0.1:7001/ALS.html -logLevel INFO -noserver -
codeServerPort 9997 -war D:\workspace\ALS_AdministrationConsole\war
com.ha.als.ALS

my server is in localhost (but not using gwt jetty, I use oracle in
localhost)
In IE, if I double click the url
http://127.0.0.1:7001/ALS.html?gwt.codesvr=127.0.0.1:9997
will display
Error 404 -not found
if enter the url
http://127.0.0.1:7001/ALS/
the application can be run, but not in client side debug mode.
what wrong with the program arguments in the debug mode for client
side debugging fail?

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