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@@ -105,13 +105,13 @@ class Body {
                 if(!empty($this->header['Content-Type'])){
                     $ct = explode(";",$this->header['Content-Type']);
                     // 图片，以后有其他，需要添加
-                    if(in_array($ct[0],['image/png','image/jpg','image/jpeg','image/gif'])){
+                    if(in_array(trim($ct[0]),['image/png','image/jpg','image/jpeg','image/gif'])){
                         $isImage = 1;
                     }
                 }
 
                 if(!empty($isImage)){
-                    $this->setItem(['type'=>'text/plain','body'=>"<img src=\"data:".($ct[0]??'image/png').";base64,".$body."\" />"]);
+                    $this->setItem(['type'=>'text/html','body'=>"<img src=\"data:".($ct[0]??'image/png').";base64,".$body."\" />"]);
                 }else{
                     $this->setItem(['type'=>'text/plain','body'=>base64_decode($body)]);
                 }