fix: first time download

frontend/src/pages/Panel.tsx

@@ -63,7 +63,15 @@ const Panel: React.FC = () => {
           }
         })
       } else {
-        setCheckDisabled(true)
+        GetLatestVersion().then(res => {
+          if (res === null) {
+            toast('Get database failed.', {
+              description: '⛓️‍💥 Please check your internet connection.'  
+            })
+          } else {
+            setNewVersion(res)
+          }
+        })
         setMacInputDisabled(true)
         setIsOpen(true)
       }
@@ -109,7 +117,7 @@ const Panel: React.FC = () => {
   const handleCheck = () => {
     setCheckDisabled(true)
     GetLatestVersion().then(res => {
-      if (res.Version === null) {
+      if (res === null) {
         setCheckDisabled(false)
         toast('Check update failed.', {
           description: '⛓️‍💥 Please check your internet connection.',