fix Demo 活体检测数据写入失败

Components/newscontent/src/main/java/com/yidian/shenghuoquan/newscontent/ui/alive/AliveTestActivity.kt

@@ -172,12 +172,14 @@ class AliveTestActivity : BaseActivity<ActivityAliveLayoutBinding>(), PreCallbac
     fun saveFile(filename: String, data: ByteArray?) {
         if (data != null) {
 
-            val sdcardPath = System.getenv("EXTERNAL_STORAGE")
-            dataPath = "$sdcardPath/life_circle_business/meglive"
+            dataPath = externalCacheDir?.absolutePath + "/alive/meglive"
             val file = File(dataPath)
 
             if (file.exists()) {
                 file.delete()
+            } else {
+                file.parentFile?.mkdirs()
+                file.createNewFile()
             }
             val fos = FileOutputStream(file)
             fos.write(data, 0, data.size)