关于STK菜单AI指令操作！请高手帮忙~~

已知步骤：
1、at+stsf=1激活
2、at+stgi=0进入主菜单
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at+stgi=0
+STGI: "80795E5DDE884C59295730FFFF"
+STGI: 1,17,"80767B5F556CE89500FFFF",0
+STGI: 2,17,"8000530049004D84254E1A5385FFFF",0
+STGI: 3,17,"808F7B677E5F6994C3FFFF",0
+STGI: 4,17,"8065E07EBF97F34E504FF14E5090E8FFFF",0
+STGI: 5,17,"8065B095FB59296C14FFFF",0
+STGI: 6,17,"8094C358F056FE7247FFFF",0
+STGI: 7,17,"8098DE4FE14EA453CBFFFF",0
+STGI: 8,17,"805F005FC34F1195F2FFFF",0
+STGI: 9,17,"80751F6D3B5E388BC6FFFF",0
+STGI: 10,17,"807A7A4E2D5F006237FFFF",0
+STGI: 11,17,"8067E58BE2FFFF",0
+STGI: 12,17,"807A7A4E2D5145503CFFFF",0
+STGI: 13,17,"8000530049004D84254E1A5385FFFF",0
+STGI: 14,17,"80519C4FE1901AFFFF",0
+STGI: 17,17,"805E9475287BA17406FFFF",0
+STGI: 18,17,"804E0B8F7D8BBE7F6EFFFF",0
+STGI: 19,17,"8000530049004D53614FE1606FFFFF",0OKat+stgr=0,12,1 //想进入第12个子菜单项，失败。
进入子菜单应该怎么进！谢谢了！