diff --git a/application/controllers/Compress.php b/application/controllers/Compress.php
index 50579e9..9c4d72a 100644
--- a/application/controllers/Compress.php
+++ b/application/controllers/Compress.php
@@ -25,7 +25,8 @@
             if($img->compression == 0){
                 //获取图片完整路径
                 $fullpath = FCPATH.$img->path;
-                $this->tinypng($fullpath);
+                $this->load->library('image');
+                $this->image->compress($fullpath);
                 //更新数据库
                 $this->load->model('update','',TRUE);
                 $this->update->compress($id);
@@ -49,59 +50,6 @@
                 $info = json_encode($info);
                 echo $info;
             }
-
-            
-        }
-        //请求tinypng压缩接口,传入图片完整路径
-        protected function tinypng($path){
-
-            //tinypng API地址
-            $api_url = "https://api.tinify.com/shrink";
-            $data = file_get_contents($path);
-            //$post_data = array ("username" => "bob","key" => "12345");
-            //$ch = curl_init();
-            $ch = curl_init();
-            $user = "api";
-            $pass = "F8rNr5lh25WYcOECQvAqvcilBMAkhtIM";
-            curl_setopt($ch, CURLOPT_URL, $api_url);
-            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-            //curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
-            curl_setopt($ch, CURLOPT_USERPWD, "{$user}:{$pass}");
-            // post数据
-            curl_setopt($ch, CURLOPT_POST, 1);
-            // post的变量
-            curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
-            //https
-            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
-            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
-            $output = curl_exec($ch);
-            curl_close($ch);
-            //打印获得的数据
-            $data = json_decode($output);
-            //获取图片压缩后的URL
-            $url =  $data->output->url;
-            //保存图片
-            $this->save($url,$path);
-        }
-        //传递图片URL，并保存文件
-        protected function save($url,$path){
-            //获取图片数据并保存
-            $curl = curl_init($url);
-
-            curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36");
-            curl_setopt($curl, CURLOPT_FAILONERROR, true);
-            curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
-            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
-            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
-            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
-            #设置超时时间，最小为1s（可选）
-            #curl_setopt($curl , CURLOPT_TIMEOUT, 1);
-
-            $filedata = curl_exec($curl);
-            curl_close($curl);
-
-            //将图片数据覆盖源文件
-            file_put_contents($path,$filedata);
         }
     } 
 ?>
\ No newline at end of file
diff --git a/application/controllers/Deal.php b/application/controllers/Deal.php
index abcfc57..ed06604 100644
--- a/application/controllers/Deal.php
+++ b/application/controllers/Deal.php
@@ -48,51 +48,13 @@
             $kyes = json_decode($kyes);
             $i = 'api'.rand(1,2);
             $key = $kyes->$i;
-            
-            $url = "https://api.tinify.com/shrink";
-            $data = file_get_contents($path);
-            
-            $ch = curl_init();
-            $user = "api";
-            curl_setopt($ch, CURLOPT_URL, $url);
-            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-            //curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
-            curl_setopt($ch, CURLOPT_USERPWD, "{$user}:{$key}");
-            // post数据
-            curl_setopt($ch, CURLOPT_POST, 1);
-            // post的变量
-            curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
-            //https
-            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
-            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
-            $output = curl_exec($ch);
-            curl_close($ch);
-            $output = json_decode($output);
-            //获取压缩后的图片链接
-            $outurl = $output->output->url;
 
-            //先判断是否是正常的URL，万一请求接口失败了呢
-            if(!filter_var($outurl, FILTER_VALIDATE_URL)){
-                //糟糕，没有验证通过，那就结束了
-                $this->err_msg('请求接口失败！');
+            $this->load->library('image');
+            $ret = $this->image->compress($path);
+            if(empty($ret)) {
+                $this->err_msg('压缩失败,请稍后重试！');
             }
 
-            //下载图片并保存覆盖
-            $curl = curl_init($outurl);
-            curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36");
-            curl_setopt($curl, CURLOPT_FAILONERROR, true);
-            curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
-            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
-            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
-            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
-            #设置超时时间，最小为1s（可选）
-
-            $data = curl_exec($curl);
-            curl_close($curl);
-            
-            //重新保存图片
-            file_put_contents($path,$data);
-
             //最后别忘了更新数据库呀
             $sql = "UPDATE img_images SET compression = 1 WHERE `id` = $id";
             if($this->db->query($sql)){
diff --git a/application/libraries/Image.php b/application/libraries/Image.php
index 23f283a..c74cd61 100644
--- a/application/libraries/Image.php
+++ b/application/libraries/Image.php
@@ -38,9 +38,78 @@
             $image->clear();
         }
         //压缩图片
-        public function compress($source){
+        public function compress($source, $output='', $channel='tinypng') {
+            if (empty($output)) {
+                $output = $source;
+            }
+            switch ($channel) {
+                case 'tinypng':
+                    $key = "F8rNr5lh25WYcOECQvAqvcilBMAkhtIM";
+                    return $this->tinypng($source,$output, $key);
+                default :
+                    return $source;
+            }
             
         }
+
+        //请求tinypng压缩接口,传入图片完整路径
+        protected function tinypng($path, $outputPath='', $key=''){
+            if (empty($outputPath)) {
+                $outputPath = $path;
+            }
+
+            //tinypng API地址
+            $api_url = "https://api.tinify.com/shrink";
+            $data = file_get_contents($path);
+            //$post_data = array ("username" => "bob","key" => "12345");
+            //$ch = curl_init();
+            $ch = curl_init();
+            $user = "api";
+            curl_setopt($ch, CURLOPT_URL, $api_url);
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+            //curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
+            curl_setopt($ch, CURLOPT_USERPWD, "{$user}:{$key}");
+            // post数据
+            curl_setopt($ch, CURLOPT_POST, 1);
+            // post的变量
+            curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
+            //https
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+            $output = curl_exec($ch);
+            curl_close($ch);
+            //打印获得的数据
+            $data = json_decode($output);
+            //获取图片压缩后的URL
+            $url =  $data->output->url;
+            //先判断是否是正常的URL，万一请求接口失败了呢
+            if (!filter_var($url, FILTER_VALIDATE_URL)) {
+                return false;
+            }
+            //保存图片
+            return $this->download($url, $outputPath);
+        }
+
+        //传递图片URL，并保存文件
+        protected function download($url, $path){
+            //获取图片数据并保存
+            $curl = curl_init($url);
+
+            curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36");
+            curl_setopt($curl, CURLOPT_FAILONERROR, true);
+            curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
+            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
+            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
+            #设置超时时间，最小为1s（可选）
+            #curl_setopt($curl , CURLOPT_TIMEOUT, 1);
+
+            $filedata = curl_exec($curl);
+            curl_close($curl);
+
+            //将图片数据覆盖源文件
+            return file_put_contents($path,$filedata);
+        }
     }
 
 ?>
\ No newline at end of file