修改问题首次推荐的问题

app/src/main/java/com/mints/street/main/home/HomeViewModel.kt

@@ -19,6 +19,7 @@ import com.mints.street.webview.MintsWebViewActivity
 import me.goldze.mvvmhabit.base.AppManager
 import me.goldze.mvvmhabit.base.BaseViewModel
 import me.goldze.mvvmhabit.utils.KLog
+import me.goldze.mvvmhabit.utils.SPUtils
 import me.tatarka.bindingcollectionadapter2.ItemBinding
 import java.io.BufferedReader
 import java.io.InputStreamReader
@@ -116,8 +117,11 @@ class HomeViewModel(application: Application) : BaseViewModel(application) {
                 while (bf.readLine().also { line = it } != null) {
                     stringBuilder.append(line)
                 }
+
+                if ( SPUtils.getInstance().decodeBoolean(HomeFragment.IS_FIRST_OPEN,true)){
                     mapbeanData.value = Gson().fromJson(stringBuilder.toString(), MapBean::class.java)
-                mapBean = Gson().fromJson(stringBuilder.toString(), MapBean::class.java)
+                    SPUtils.getInstance().encode(HomeFragment.IS_FIRST_OPEN,false)
+                }
 
             } catch (e: Exception) {
                 KLog.e("读取assets文件下的json出问题")