冰箱冷冻室不冻有什么妙招（冬天冰箱冷冻层不冻了怎么办）

{"rich_content":{"text":"","spans":null},"video":{"vid":"v028b0530000bufk9cb3h8fr7ncqpec0","duration":121.76,"width":1024,"height":576,"file_size":10140720,"thumb":{"web_uri":"tos-cn-p-0000/ea4b651c9b3f417ba61456f8e3a841b7","width":640,"height":360,"image_type":null,"mimetype":null,"encrypt_web_uri":null,"secret_key":null,"encrypt_algorithm":null,"extra":null},"video_size":{"high":{"duration":121.76,"file_size":9595136,"w":854,"h":480},"normal":{"duration":121.76,"file_size":7000259,"w":640,"h":360},"ultra":{"duration":121.76,"file_size":11585613,"w":1024,"h":576}},"is_encrypted":null,"sp":null,"md5":"25bef3fcec7c44b7aee1705d798f473e","tos_key":null,"secret_key":null,"encrypt_algorithm":null,"extra":null}},