bug fix

src/main/java/tech/starwin/impl/HttpObserver.java

 package tech.starwin.impl;
 
+import android.text.TextUtils;
+
 import com.google.gson.Gson;
 
 import org.greenrobot.eventbus.EventBus;
@@ -23,14 +25,16 @@ import tech.starwin.utils.LoginManager;
  * HTTP请求回调
  */
 public abstract class HttpObserver<T> implements Observer<T> {
-    private String action;
+    private String action = "";
 
     public HttpObserver() {
 
     }
 
     public HttpObserver(String action) {
-        this.action = action;
+        if (action != null) {
+            this.action = action;
+        }
     }
 
     private Disposable disposable;
@@ -52,15 +56,19 @@ public abstract class HttpObserver<T> implements Observer<T> {
 
     @Override
     public void onNext(T tResult) {
-        onFinish();
-        onSuccess(tResult);
+        try {
+            onFinish();
+            onSuccess(tResult);
+        } catch (Exception e) {
+            onError(Error.UNKNOW, action + " error");
+        }
     }
 
     @Override
     public void onError(Throwable throwable) {
         onFinish();
         String msg = throwable.getMessage();
-        LogUtils.d("HttpObserver", action+" -> error msg : " + msg);
+        LogUtils.d("HttpObserver", action + " -> error msg : " + msg);
         try {
             if (throwable != null) {
                 if (isNetworkError(msg)) {