diff --git a/public/react/src/context/TPIContextProvider.js b/public/react/src/context/TPIContextProvider.js
index 9f384cfe1..c723bacf4 100644
--- a/public/react/src/context/TPIContextProvider.js
+++ b/public/react/src/context/TPIContextProvider.js
@@ -714,7 +714,7 @@ pop_box_new(htmlvalue, 480, 182);
 	}
 
 	testSetUnlock() {
-		const { game } = this.state;
+		const { game, challenge } = this.state;
 		const url = `/tasks/${game.identifier}/check_test_sets.json`
 		axios.get(url, {
     			// withCredentials: true,
@@ -727,7 +727,7 @@ pop_box_new(htmlvalue, 480, 182);
 			    	return;
 			    } else {
 			    	// 被扣除的金币，是负数
-			    	const deltaScore = response.data.score;
+			    	const deltaScore = -challenge.score * 5;
 					// output_sets
 					let { output_sets } = this.state;
 					output_sets = Object.assign({}, output_sets);