Update tools.json

tools.json

@@ -9,8 +9,8 @@
   {
     "id": "_S3XHLYqs5eRhdA4EeoPr",
     "name": "谷歌",
-    "url": "google.com",
+    "url": "https://google.com",
     "description": "谷歌",
     "contributor": "张强"
   }
-]
\ No newline at end of file
+]