修改代码

application/inter/controller/Dcquery.php

@@ -255,7 +255,7 @@ class Dcquery extends Controller
         $imageNumber = $image['instanceNumber'];
         if($frameIndex !== -1) {
             $image_url = $url.'?frame='.$frameIndex;
-            $imageNumber = $frameIndex;
+            $imageNumber = $frameIndex + 1;
         }
         return [
             'remote_url' => $image['remote_url'],