remove date error

app/src/main/java/com/example/zxa01/iotclient/common/tools/DownloadFile.java

@@ -55,7 +55,6 @@ public class DownloadFile {
 
     private class DownloadingTask extends AsyncTask<Void, Void, Void> {
 
-        File apkStorage = null;
         File outputFile = null;
 
         @Override
@@ -111,7 +110,6 @@ public class DownloadFile {
                     outputFile.setWritable(true);
                     Log.e(TAG, "File Created");
                 }
-
                 // output handle
                 FileOutputStream fos = new FileOutputStream(outputFile);
 

app/src/main/java/com/example/zxa01/iotclient/component/home/record/RecordViewModel.java

@@ -13,6 +13,7 @@ import com.example.zxa01.iotclient.component.privacy.PrivacyActivity;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.List;
+import java.util.TimeZone;
 import java.util.stream.Collectors;
 
 public class RecordViewModel extends ViewModel {
@@ -79,7 +80,7 @@ public class RecordViewModel extends ViewModel {
     }
 
     private String convertDateTime(String dateTime) {
-        SimpleDateFormat preConvert = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.mmm");
+        SimpleDateFormat preConvert = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
         SimpleDateFormat postConvert = new SimpleDateFormat("yyyy-MM-dd HH:mm");
         String convertDateTime = "";
         try {