'fix'

app/Modules/Channel/Services/ChannelRecommendBooksService.php

@@ -25,8 +25,8 @@ class ChannelRecommendBooksService
                 if(isset($bids[$key+1])){
                     $bidArr[] = $bids[$key+1];
                 }else{
-                    $bidArr[] = $bids[$value];
-                    $value = 0;
+                    $bidArr[] = $bids[$value-1];
+                    $value += 1;
                 }
                 if(isset($bids[$key+2])){
                     $bidArr[] = $bids[$key+2];