修复isOnTargetNode函数中获取firstParent的错误的BUG.

ssat_sdk/MenuTree3/OptionAction.py

@@ -188,7 +188,7 @@ class COptionAction(CBaseLog):
             curOthers = {}
         else:
             curOthers = json.loads(curOthers)
-        firstParent = self.__optionPaths['First']['option']
+        firstParent = self.__optionPaths['First']['parent']
 
         # 获取文本识别的参数;
         ocrConfigList = self.__optionConfig.getOptionOCRConfig(curOption)