diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 8ee6e15c..829e66d5 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -2355,7 +2355,7 @@ class Query
                 }
             }
 
-            if (isset($cache) && false !== $resultSet) {
+            if (isset($cache) && $resultSet) {
                 // 缓存数据集
                 $this->cacheData($key, $resultSet, $cache);
             }
@@ -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);
             }