我的电话整周都在回复这样的结果：
https://scontent.xx.fbcdn.net/v/t1.0-1/p50x50/21751880_4627831336299_3121335327951633783_n.jpg?_nc_cat=0&oh=72058fff4a6716912eca8ada5a182f9d&oe=5B279686
从今天早上开始，我的通话会返回以下内容，但不会生成有效图片。
https://lookaside.facebook.com/platform/profilepic/?limited_token=QVNtU0FCbG1rNXRXSlFNdm5ZATGVDMFRhbU9sN0duTTlrUUw2b0xRdW1BVmFjbVNTenVpak1RaDdtYVZAGRTB0Y2xmeVUxWlRZAdGpyU2JQb3FFbUlNNTJKRE5hYjltWFB1WTN4THdPejhuSVZAObncZD&height=50&width=50
WHOIS结果：
Registrant Name: Domain Administrator
Registrant Organization: Facebook, Inc.
Registrant Street: 1601 Willow Road,
Registrant City: Menlo Park
Registrant State/Province: CA
Registrant Postal Code: 94025
Registrant Country: US
Registrant Phone: +1.6505434800
dig ns lookaside.facebook.com返回
;; ANSWER SECTION:
lookaside.facebook.com. 902 IN CNAME scontent.xx.fbcdn.net.