Update share_btn.py

share_btn.py

@@ -62,7 +62,7 @@ share_js = """async () => {
             description: descriptionMd,
         });
         const paramsStr = params.toString();
-        window.open(`https://huggingface.co/spaces/yizhangliu/ImgCleaner/discussions/new?${paramsStr}`, '_blank');
+        window.open(`${window.location.href}/discussions/new?${paramsStr}`, '_blank');
         shareBtnEl.style.removeProperty('pointer-events');
         shareIconEl.style.removeProperty('display');
         loadingIconEl.style.display = 'none';