diff --git a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
index f55069200..794ebd1c4 100644
--- a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
+++ b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
@@ -59,14 +59,14 @@ export default function(props: MfmProps, context: SetupContext<MfmEvents>) {
 
 	const validTime = (t: string | null | undefined) => {
 		if (t == null) return null;
-		return t.match(/^[0-9.]+s$/) ? t : null;
+		return RegExp(/^[0-9.]+s$/).exec(t) ? t : null;
 	};
-	
+
 	const validColor = (c: string | null | undefined): string | null => {
 		if (c == null) return null;
-		return c.match(/^[0-9a-f]{3,6}$/i) ? c : null;
+		return RegExp(/^[0-9a-f]{3,6}$/i).exec(c) ? c : null;
 	};
-	
+
 	const useAnim = defaultStore.state.advancedMfm && defaultStore.state.animatedMfm;
 
 	/**
diff --git a/packages/frontend/src/pages/drop-and-fusion.game.vue b/packages/frontend/src/pages/drop-and-fusion.game.vue
index f14f5dbff..05c462d8b 100644
--- a/packages/frontend/src/pages/drop-and-fusion.game.vue
+++ b/packages/frontend/src/pages/drop-and-fusion.game.vue
@@ -1003,10 +1003,10 @@ function attachGameEvents() {
 					});
 				}
 			}
-		} else {
-			if (!props.mute) {
-				// TODO: 融合後のモノがない場合でも何らかの効果音を再生
-			}
+		//} else {
+		//	if (!props.mute) {
+		//		// TODO: 融合後のモノがない場合でも何らかの効果音を再生
+		//	}
 		}
 	});
 
diff --git a/packages/frontend/src/scripts/drop-and-fusion-engine.ts b/packages/frontend/src/scripts/drop-and-fusion-engine.ts
index 06668743e..0bd04552c 100644
--- a/packages/frontend/src/scripts/drop-and-fusion-engine.ts
+++ b/packages/frontend/src/scripts/drop-and-fusion-engine.ts
@@ -530,6 +530,7 @@ export class DropAndFusionGame extends EventEmitter<{
 			case 'yen': return YEN_MONOS;
 			case 'square': return SQUARE_MONOS;
 			case 'sweets': return SWEETS_MONOS;
+			default: throw new Error('unknown game mode');
 		}
 	}
 
@@ -743,7 +744,6 @@ export class DropAndFusionGame extends EventEmitter<{
 					this.gameOver();
 					break;
 				}
-				continue;
 			}
 		}
 	}
diff --git a/scripts/changelog-checker/src/index.ts b/scripts/changelog-checker/src/index.ts
index 8cbeb297d..b8d6b7bd8 100644
--- a/scripts/changelog-checker/src/index.ts
+++ b/scripts/changelog-checker/src/index.ts
@@ -26,7 +26,6 @@ function main() {
 
 	if (!result.success) {
 		abort(result.message);
-		return;
 	}
 }