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@@ -229,7 +229,9 @@ class Body {
         // 附件情况
         if(!empty($boundary[1])){
             preg_match_all('/.*'.$boundary[1].'.*/i',$body,$boundary_tag);
-            $body = str_replace($boundary_tag[0],'{--tag--}',$body);
+            if(!empty($boundary_tag[0])){
+                $body = str_replace($boundary_tag[0],'{--tag--}',$body);
+            }
         }
         // 查找tag块
         preg_match_all("/((".str_replace(