diff --git a/tests/thinkphp/library/think/cache/driver/apcTest.php b/tests/thinkphp/library/think/cache/driver/apcTest.php
index 0557c412..981f114e 100644
--- a/tests/thinkphp/library/think/cache/driver/apcTest.php
+++ b/tests/thinkphp/library/think/cache/driver/apcTest.php
@@ -24,6 +24,11 @@ class apcTest extends cacheTestCase
      */
     protected function setUp()
     {
+        if (!extension_loaded("apc")) {
+            $this->markTestSkipped("APC没有安装，已跳过测试！");
+        } elseif ('cli' === PHP_SAPI && !ini_get('apc.enable_cli')) {
+            $this->markTestSkipped("APC模块没有开启，已跳过测试！");
+        }
         \think\Cache::connect(array('type' => 'apc', 'expire' => 2));
     }
     /**
@@ -31,11 +36,6 @@ class apcTest extends cacheTestCase
      */
     protected function getCacheInstance()
     {
-        if (!extension_loaded("apc")) {
-            $this->markTestSkipped("APC没有安装，已跳过测试！");
-        } elseif ('cli' === PHP_SAPI && !ini_get('apc.enable_cli')) {
-            $this->markTestSkipped("APC模块没有开启，已跳过测试！");
-        }
         if (null === $this->_cacheInstance) {
             $this->_cacheInstance = new \think\cache\driver\Apc();
         }
diff --git a/tests/thinkphp/library/think/cache/driver/memcachedTest.php b/tests/thinkphp/library/think/cache/driver/memcachedTest.php
index 95328482..051083c2 100644
--- a/tests/thinkphp/library/think/cache/driver/memcachedTest.php
+++ b/tests/thinkphp/library/think/cache/driver/memcachedTest.php
@@ -24,6 +24,9 @@ class memcachedTest extends cacheTestCase
      */
     protected function setUp()
     {
+        if (!extension_loaded("memcached") && !extension_loaded('memcache')) {
+            $this->markTestSkipped("Memcached或Memcache没有安装，已跳过测试！");
+        }
         \think\Cache::connect(array('type' => 'memcached', 'expire' => 2));
     }
     /**
@@ -31,9 +34,6 @@ class memcachedTest extends cacheTestCase
      */
     protected function getCacheInstance()
     {
-        if (!extension_loaded("memcached")) {
-            $this->markTestSkipped("Memcached没有安装，已跳过测试！");
-        }
         if (null === $this->_cacheInstance) {
             $this->_cacheInstance = new \think\cache\driver\Memcached();
         }
diff --git a/tests/thinkphp/library/think/cache/driver/redisTest.php b/tests/thinkphp/library/think/cache/driver/redisTest.php
index 29a6e301..c40cb68b 100644
--- a/tests/thinkphp/library/think/cache/driver/redisTest.php
+++ b/tests/thinkphp/library/think/cache/driver/redisTest.php
@@ -22,14 +22,14 @@ class redisTest extends cacheTestCase
 
     protected function setUp()
     {
+        if (!extension_loaded("redis")) {
+            $this->markTestSkipped("Redis没有安装，已跳过测试！");
+        }
         \think\Cache::connect(array('type' => 'redis', 'expire' => 2));
     }
 
     protected function getCacheInstance()
     {
-        if (!extension_loaded("redis")) {
-            $this->markTestSkipped("Redis没有安装，已跳过测试！");
-        }
         if (null === $this->_cacheInstance) {
             $this->_cacheInstance = new \think\cache\driver\Redis();
         }