diff --git a/MainModule/src/main/java/com/xscm/modulemain/activity/user/presenter/CurrencyExchangePresenter.java b/MainModule/src/main/java/com/xscm/modulemain/activity/user/presenter/CurrencyExchangePresenter.java
index baee47ed..31683d2a 100644
--- a/MainModule/src/main/java/com/xscm/modulemain/activity/user/presenter/CurrencyExchangePresenter.java
+++ b/MainModule/src/main/java/com/xscm/modulemain/activity/user/presenter/CurrencyExchangePresenter.java
@@ -8,11 +8,17 @@ import com.xscm.moduleutil.bean.WalletConfig;
 import com.xscm.moduleutil.http.BaseObserver;
 import com.xscm.moduleutil.presenter.BasePresenter;
 
+import java.lang.ref.WeakReference;
+
 import io.reactivex.disposables.Disposable;
 
 public class CurrencyExchangePresenter extends BasePresenter<CurrencyExchangeConacts.View> implements CurrencyExchangeConacts.IMePre {
+
+    CurrencyExchangeConacts.View mView;
+
     public CurrencyExchangePresenter(CurrencyExchangeConacts.View view, Context context) {
         super(view, context);
+        this.mView = view;
     }
 
     @Override
@@ -25,7 +31,10 @@ public class CurrencyExchangePresenter extends BasePresenter<CurrencyExchangeCon
 
             @Override
             public void onNext(String s) {
-            MvpRef.get().exchangeCoin(s);
+                if (MvpRef == null) {
+                    MvpRef = new WeakReference<>(mView);
+                }
+                MvpRef.get().exchangeCoin(s);
             }
         });
     }
@@ -40,6 +49,9 @@ public class CurrencyExchangePresenter extends BasePresenter<CurrencyExchangeCon
 
             @Override
             public void onNext(WalletBean walletBean) {
+                if (MvpRef == null) {
+                    MvpRef = new WeakReference<>(mView);
+                }
                 MvpRef.get().wallet(walletBean);
             }
         });
@@ -55,6 +67,9 @@ public class CurrencyExchangePresenter extends BasePresenter<CurrencyExchangeCon
 
             @Override
             public void onNext(WalletConfig walletConfig) {
+                if (MvpRef == null) {
+                    MvpRef = new WeakReference<>(mView);
+                }
                 MvpRef.get().getWalletConfig(walletConfig);
             }
         });