diff --git a/library/think/cache/driver/Memcache.php b/library/think/cache/driver/Memcache.php
index 1fbd3b08..b4295e56 100644
--- a/library/think/cache/driver/Memcache.php
+++ b/library/think/cache/driver/Memcache.php
@@ -113,7 +113,10 @@ class Memcache extends Driver
     public function inc($name, $step = 1)
     {
         $key = $this->getCacheKey($name);
-        return $this->handler->increment($key, $step);
+        if( $this->has($name) ){
+            return $this->handler->increment($key, $step);
+        }
+        return $this->handler->set($key, $step);
     }
 
     /**
diff --git a/library/think/cache/driver/Memcached.php b/library/think/cache/driver/Memcached.php
index fa312e8e..12610646 100644
--- a/library/think/cache/driver/Memcached.php
+++ b/library/think/cache/driver/Memcached.php
@@ -125,7 +125,10 @@ class Memcached extends Driver
     public function inc($name, $step = 1)
     {
         $key = $this->getCacheKey($name);
-        return $this->handler->increment($key, $step);
+        if( $this->has($name) ){
+            return $this->handler->increment($key, $step);
+        }
+        return $this->handler->set($key, $step);
     }
 
     /**
diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index f0f0ec39..66e7c262 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -651,16 +651,16 @@ class Query
         if (!Cache::has($guid . '_time')) {
             // 计时开始
             Cache::set($guid . '_time', $_SERVER['REQUEST_TIME'], 0);
-            Cache::$type($guid, $step, 0);
+            Cache::$type($guid, $step);
         } elseif ($_SERVER['REQUEST_TIME'] > Cache::get($guid . '_time') + $lazyTime) {
             // 删除缓存
-            $value = Cache::$type($guid, $step, 0);
+            $value = Cache::$type($guid, $step);
             Cache::rm($guid);
             Cache::rm($guid . '_time');
             return 0 === $value ? false : $value;
         } else {
             // 更新缓存
-            Cache::$type($guid, $step, 0);
+            Cache::$type($guid, $step);
         }
         return false;
     }