fix

pkg/cache/memory.go

@@ -147,7 +147,7 @@ func (m *memoryCache) Del(ctx context.Context, keys ...string) error {
 		return nil
 	}
 
-	key := keys[0]
+	for _, key := range keys {
 		cacheKey, err := BuildCacheKey(m.KeyPrefix, key)
 		if err != nil {
 			return xerror.Errorf("build cache key error, err=%v, key=%s", err, key)
@@ -158,6 +158,7 @@ func (m *memoryCache) Del(ctx context.Context, keys ...string) error {
 			logger.Any("key", cacheKey),
 			logger.Any("cost", time.Since(st).String()),
 			ctxUtil.CtxTraceIDField(ctx))
+	}
 	return nil
 }