diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
index 4fe690d8f..7631803bd 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
@@ -120,7 +120,9 @@ public class EhEngine {
             throw new StatusCodeException(code);
         }
 
-        throw e;
+        if (e != null) {
+            throw e;
+        }
     }
 
     private static void throwException(Call call, int code, @Nullable Headers headers,