diff --git a/src/test/check_image_url.js b/src/test/check_image_url.js
new file mode 100644
index 00000000..3301b086
--- /dev/null
+++ b/src/test/check_image_url.js
@@ -0,0 +1,52 @@
+import http from 'http';
+
+const privateRkey = '';
+function logDebug(...args) {
+  console.log(...args);
+}
+
+const checkUrl = new Promise((resolve, reject) => {
+  const uri = new URL('https://gchat.qpic.cn/download?appid=1407&fileid=CgkzNzk0NTAzMjYSFECDMhodswV7nH5Npuf2O8dstvL1GNaGEiD_CijQycnZsuaFA1CAvaMB&spec=0&rkey=CAESKE4_cASDm1t1mbnPfSzEvPzS-iYGLyXhjXjTRIhOHeSVDKkPp6Luaao');
+  const options = {
+    method: 'GET',
+    host: uri.host,
+    path: uri.pathname + uri.search,
+    headers: {
+      'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36',
+      'Accept': '*/*',
+      'Range': 'bytes=0-0'
+    }
+  };
+  const req = http.request(options, (res) => {
+    logDebug(`Check rkey status: ${res.statusCode}`);
+    logDebug(`Check rkey headers: ${JSON.stringify(res.headers)}`);
+    if (res.statusCode == 200 || res.statusCode === 206) {
+      // console.log('The image URL is accessible.');
+      resolve('ok');
+    } else {
+      reject('The image URL is not accessible.');
+    }
+  });
+
+  req.setTimeout(3000, () => {
+    req.destroy();
+    reject('Check rkey request timed out');
+  });
+
+  req.on('error', (e) => {
+    console.error(`Problem with rkey request: ${e.message}`);
+    // reject(e.message);
+  });
+  req.end();
+});
+
+const startTime = Date.now();
+checkUrl.then((result) => {
+  const endTime = Date.now();
+  console.log(result);
+  console.log(`Time elapsed: ${endTime - startTime}ms`);
+}).catch((error) => {
+  const endTime = Date.now();
+  console.error(error);
+  console.log(`Time elapsed: ${endTime - startTime}ms`);
+});