bug fix

src/main/java/tech/starwin/base/BasePresenter.java

@@ -3,7 +3,6 @@ package tech.starwin.base;
 
 import android.annotation.SuppressLint;
 
-
 import io.reactivex.Observable;
 import io.reactivex.Observer;
 import io.reactivex.android.schedulers.AndroidSchedulers;
@@ -68,23 +67,31 @@ public class BasePresenter<T> {
                 .subscribe(new HttpObserver<T>(action) {
                     @Override
                     public void onStart() {
+                        if (view != null) {
                             view.onHttpStart(action, true);
                         }
+                    }
 
                     @Override
                     public void onSuccess(T data) {
+                        if (view != null) {
                             view.onHttpSuccess(action, data);
                         }
+                    }
 
                     @Override
                     public void onError(int code, String msg) {
+                        if (view != null) {
                             view.onHttpError(action, msg);
                         }
+                    }
 
                     @Override
                     public void onFinish() {
+                        if (view != null) {
                             view.onHttpFinish(action);
                         }
+                    }
                 });
     }