Set the Content-Type and Content-Length headers to their default values only if they have not already been set by a call to [response setHeader:value:]. Also, fix the selector error caused by setting the Content-Length to a NSNumber - it needs to be an NSString.
Set the Content-Type and Content-Length headers to their default values only if they have not already been set by a call to [response setHeader:value:]. Also, fix the selector error caused by setting the Content-Length to a NSNumber - it needs to be an NSString.

Bogon/WebViewProxy,ywzw2013/WebViewProxy,ywzw2013/WebViewProxy,jackgao2016/WebViewProxy,marcuswestin/WebViewProxy,Bogon/WebViewProxy,augustinelin/WebViewProxy,yanyuqingshi/WebViewProxy