Merge branch 'master' of https://github.com/top-think/framework

library/think/db/Query.php

@@ -2513,7 +2513,7 @@ class Query
                 $result = isset($resultSet[0]) ? $resultSet[0] : null;
             }
 
-            if (isset($cache) && false !== $result) {
+            if (isset($cache) && $result) {
                 // 缓存数据
                 $this->cacheData($key, $result, $cache);
             }