edit

src/Lib/Input.php

@@ -347,6 +347,7 @@ class Input
         } else {
             $pic = 'src="" style=display:none;';
         }
+        $pic_value = $param['value'] ?? "";
 
         $class = 'width:100px;display:inline;';
         if (layadmin()) {
@@ -366,7 +367,7 @@ class Input
         
         '.$param['placeimg'].'
 
-        <a target="_blank" href="'.$param['value'] ?? "".'" title="打开图片管理工具" onclicks="picManage($(this), \'' . $param['name'] . '_' . $param['index'] . '\', \''.$param['key'].'\', 1, \''.$param['name'] . '_info_value\', \''.$param['place'].'\')"><img ' . $pic . ' class="update_value cropper_img" update_type="src" id="show_' . $param['name'] . '_' . $param['index'] . '" width="150" /></a></div>
+        <a target="_blank" href="'.$pic_value.'" title="打开图片管理工具" onclicks="picManage($(this), \'' . $param['name'] . '_' . $param['index'] . '\', \''.$param['key'].'\', 1, \''.$param['name'] . '_info_value\', \''.$param['place'].'\')"><img ' . $pic . ' class="update_value cropper_img" update_type="src" id="show_' . $param['name'] . '_' . $param['index'] . '" width="150" /></a></div>
         <input type="text" class="update_value form-control ' . (isset($param['valid']) ? $param['valid'] : '') . '" name="' . $param['name'] . '" id="' . $param['name'] . '_' . $param['index'] . '" value="' . (isset($param['value']) ? $param['value'] : (isset($param['default']) ? $param['default'] : '')) . '">';
     }