日志报错：

[2021 - 08 - 24 01: 35: 49] main.CRITICAL: {
	"error": {
		"root_cause": [{
			"type": "query_shard_exception",
			"reason": "No mapping found for [top_rated] in order to sort on",
			"index_uuid": "03ag21QnSVKtfxvvFBkXWQ",
			"index": "dev_nicepairs_product_1_v16"
		}],
		"type": "search_phase_execution_exception",
		"reason": "all shards failed",
		"phase": "query",
		"grouped": true,
		"failed_shards": [{
			"shard": 0,
			"index": "dev_nicepairs_product_1_v16",
			"node": "4tWe-9IFSOSSbvQAXiRG_g",
			"reason": {
				"type": "query_shard_exception",
				"reason": "No mapping found for [top_rated] in order to sort on",
				"index_uuid": "03ag21QnSVKtfxvvFBkXWQ",
				"index": "dev_nicepairs_product_1_v16"
			}
		}]
	},
	"status": 400
} {
	"exception": "[object] (Elasticsearch\\Common\\Exceptions\\BadRequest400Exception(code: 400): {\"error\":{\"root_cause\":[{\"type\":\"query_shard_exception\",\"reason\":\"No mapping found for [top_rated] in order to sort on\",\"index_uuid\":\"03ag21QnSVKtfxvvFBkXWQ\",\"index\":\"dev_nicepairs_product_1_v16\"}],\"type\":\"search_phase_execution_exception\",\"reason\":\"all shards failed\",\"phase\":\"query\",\"grouped\":true,\"failed_shards\":[{\"shard\":0,\"index\":\"dev_nicepairs_product_1_v16\",\"node\":\"4tWe-9IFSOSSbvQAXiRG_g\",\"reason\":{\"type\":\"query_shard_exception\",\"reason\":\"No mapping found for [top_rated] in order to sort on\",\"index_uuid\":\"03ag21QnSVKtfxvvFBkXWQ\",\"index\":\"dev_nicepairs_product_1_v16\"}}]},\"status\":400} at /www/wwwroot/nicepairs.com/www.nicepairs.com/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php:675)"
}[]

原因：搜索索引未更新

解决：项目下运行搜索索引更新

bin/magento indexer:reindex catalogsearch_fulltext