try to get blog's infomation but api response "404 not found"

Hi all,

I'm trying use "/blogger/v3/blogs/byurl?url={blog-url}&key={my-api-key}" to 
get user's blog infomation,
when I call 
"/blogger/v3/blogs/byurl?url=http://code.blogger.com/&key={my-api-key}", 
api response correct infomation,

but when I try to get a user's blog infomation in the same way, api 
response "404 not found",
I call 
/blogger/v3/blogs/byurl?url=http://www.cindychuang.blogspot.tw/&key={my-api-key}

{
 "error": {
  "errors": [
   {
    "domain": "global",
    "reason": "notFound",
    "message": "Not Found"
   }
  ],
  "code": 404,
  "message": "Not Found"
 }
}


I thought maybe this blog is private so I can't get it's infomation without access token,

but it isn't, I can directly browse this blog in browser, (url: http://www.cindychuang.blogspot.tw/),

which mean this blog is public, I also try many blogs, and they response correctly,

can anyone help me? I am very appreciate for it. :)


Regards,

Justin

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