Draveniou1's post in Loading Image was marked as the answer
create new line in root introloading
imgFileNameDict = {
0 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading0.sub",
1 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading1.sub",
2 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading2.sub",
3 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading3.sub",
4 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading4.sub",
5 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading5.sub",
6 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading6.sub",
7 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading7.sub",
8 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading8.sub",
9 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading9.sub",
10 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading10.sub",
11 : uiScriptLocale.LOCALE_UISCRIPT_PATH + "loading/loading11.sub",
}
AND add subxx.sub in locale/xx/ui/loading