yarn(dialog): 修正火山 Stage2 语言标签与运算符格式

- 将 baseLanguage 从 zh-CHS 修正为 zh-Hans
- 补全 $TaskToDo 减法运算符两侧空格

Assets/Yarn/FP/FP_Huoshan1/FP_Huoshan1.yarnproject

@@ -8,6 +8,6 @@
     "./Samples/Yarn Spinner*/*"
   ],
   "localisation": {},
-  "baseLanguage": "zh-CHS",
+  "baseLanguage": "zh-Hans",
   "compilerOptions": {}
 }

Assets/Yarn/FP/FP_Huoshan1/Stage2.yarn

@@ -355,7 +355,7 @@ SpeakerModule: 已与表达模块建立连接！ #line:027b73c
             me:看起来表达模块正常了 #line:001972a 
             <<complete_task "line:0b72487">>
             <<set $speakerFinalOK = true>>
-            <<set $TaskToDo = $TaskToDo-1>>
+            <<set $TaskToDo = $TaskToDo - 1>>
             <<if $TaskToDo == 0>>
                 <<jump 结束Stage7>>
             <<endif>>
@@ -455,7 +455,7 @@ SaleModule: 已与销售模块建立连接！  #line:0448f12
             me:波形分布恢复正常了 #line:06ec20b 
             <<complete_task "line:0aed89c">>
             <<set $saleFinalOK = true>>
-            <<set $TaskToDo = $TaskToDo-1>>
+            <<set $TaskToDo = $TaskToDo - 1>>
             <<if $TaskToDo == 0>>
                 <<jump 结束Stage7>>
             <<endif>>