use Throwable to replace Exception

Crawler.php

@@ -8,6 +8,7 @@
 use KubAT\PhpSimple\HtmlDomParser;
 use Requests;
 use Exception;
+use Throwable;
 use Log;
 
 class Crawler extends CrawlerBase
@@ -63,7 +64,7 @@ public function extractCodeForces($pcode, $url, $retries = 5)
         foreach (range(1, $retries) as $tries) {
             try {
                 $status = $this->_extractCodeForces($pcode, $url);
-            } catch (Exception $e) {
+            } catch (Throwable $e) {
                 Log::alert($e);
                 $this->line("\n  <bg=red;fg=white> Exception </> : <fg=yellow>{$e->getMessage()}</>\n");
                 continue;
@@ -146,9 +147,9 @@ private function _extractCodeForces($pcode, $url)
             }
 
             $sampleTestsDOM = $problemDOM->find('div.problem-statement div.sample-tests', 0);
-            $sampleTestsDOM->find('div.section-title', 0)->outertext = '';
 
             if (filled($sampleTestsDOM)) {
+                $sampleTestsDOM->find('div.section-title', 0)->outertext = '';
                 $sampleCount = intval(count($sampleTestsDOM->find('pre')) / 2);
                 $samples = [];
                 for ($i = 0; $i < $sampleCount; $i++) {
@@ -258,7 +259,7 @@ public function crawl($con, $cached, $incremental, $range)
             if ($problemset["status"] != "OK") {
                 throw new Exception("Contest list status not OK.");
             }
-        } catch (Exception $e) {
+        } catch (Throwable $e) {
             throw new Exception('Failed fetching problem set.');
         }
 

babel.json

@@ -6,7 +6,7 @@
     "description": "Codeforces & Gym interface for NOJ",
     "license": "MIT",
     "repository": "https://github.com/NJUPTAAA/NOJ_Extension_Codeforces",
-    "version": "0.4.1",
+    "version": "0.4.2",
     "website": "https://codeforces.com/",
     "custom": {
         "css": "resources/custom.css"