diff --git a/libs/judger.js b/libs/judger.js
index 99c3ba5..e77f836 100644
--- a/libs/judger.js
+++ b/libs/judger.js
@@ -172,7 +172,11 @@ async function connect() {
         progressPusher.cleanupProgress(result.taskId);
 
         if (!judge_state) return;
-        judge_state.score = convertedResult.score;
+        if ( convertedResult.time < 900) {
+          judge_state.score = convertedResult.score + (convertedResult.time / 1000).toFixed(2)*convertedResult.score;
+        } else {
+          judge_state.score = convertedResult.score;
+        }
         judge_state.pending = false;
         judge_state.status = convertedResult.statusString;
         judge_state.total_time = convertedResult.time;