diff --git a/app.py b/app.py
index 59c3933..8f74e31 100644
--- a/app.py
+++ b/app.py
@@ -908,8 +908,28 @@ def delete_remote(tid):
 
 
 def test_remote(tid):
-    r = _rclone('lsd', f'{_remote_name(tid)}:', timeout=20)
-    return r.returncode == 0, r.stderr.strip()
+    remote = _remote_name(tid)
+    # 1. Verbindung prüfen (Verzeichnis auflisten)
+    r = _rclone('lsd', f'{remote}:', timeout=20)
+    if r.returncode != 0:
+        err = r.stderr.strip().splitlines()[-1] if r.stderr.strip() else 'Verbindung fehlgeschlagen'
+        return False, f'Verbindung: {err}'
+    # 2. Schreibzugriff prüfen (Test-Datei schreiben und löschen)
+    test_file = f'{remote}:picopy_writetest_{int(time.time())}.tmp'
+    import tempfile, os as _os
+    with tempfile.NamedTemporaryFile(mode='w', suffix='.tmp', delete=False) as tf:
+        tf.write('PiCopy write test')
+        tmp_path = tf.name
+    try:
+        rw = _rclone('copyto', tmp_path, test_file, timeout=20)
+        if rw.returncode != 0:
+            err = rw.stderr.strip().splitlines()[-1] if rw.stderr.strip() else 'Schreiben fehlgeschlagen'
+            return False, f'Kein Schreibzugriff: {err}'
+        _rclone('deletefile', test_file, timeout=10)
+    finally:
+        try: _os.unlink(tmp_path)
+        except Exception: pass
+    return True, ''
 
 
 def run_uploads(local_dir: Path, cfg: dict):
@@ -2234,10 +2254,11 @@ function renderUTs(){
         <div class="ut-meta">SMB/NAS | ${t.dest_path}</div>
       </div>
       <div class="ut-acts">
-        <button class="btn sm ghost" onclick="utTest('${t.id}','${t.name}')">Test</button>
+        <button class="btn sm ghost" id="ut-test-${t.id}" onclick="utTest('${t.id}')">&#128269; Test</button>
         <button class="btn sm ${t.enabled?'grn':'ghost'}" onclick="utToggle('${t.id}')">${t.enabled?'Aktiv':'Inaktiv'}</button>
         <button class="btn sm danger" onclick="utDel('${t.id}','${t.name}')">✕</button>
       </div>
+      <div id="ut-test-result-${t.id}" style="display:none;font-size:.76rem;margin-top:.35rem;padding:.3rem .5rem;border-radius:.35rem"></div>
     </div>`).join('');
 }
 function utToggleForm(){
@@ -2274,13 +2295,25 @@ async function utSave(){
   flash('ut-form-flash','ok','Speichere...');
   const r=await api('/upload/targets','POST',body);
   if(r.error){flash('ut-form-flash','err',r.error);return;}
+  flash('ut-form-flash','ok','Teste Verbindung...');
   const t=await api('/upload/targets/'+r.id+'/test','POST');
-  if(t.ok){flash('ut-form-flash','ok','✓ Verbindung OK!');utToggleForm();await loadUTs();}
-  else flash('ut-form-flash','err','Test fehlgeschlagen: '+t.error);
+  if(t.ok){flash('ut-form-flash','ok','✓ Verbindung OK - Lesen & Schreiben erfolgreich');utToggleForm();await loadUTs();}
+  else flash('ut-form-flash','err','✗ ' + (t.error||'Test fehlgeschlagen'));
 }
-async function utTest(id,name){
+async function utTest(id){
+  const btn=$('ut-test-'+id), res=$('ut-test-result-'+id);
+  btn.disabled=true; btn.textContent='Teste...';
+  res.style.display='none';
   const r=await api('/upload/targets/'+id+'/test','POST');
-  alert(r.ok?'✓ Verbindung zu "'+name+'" erfolgreich!':'✗ Fehler: '+r.error);
+  btn.disabled=false; btn.innerHTML='&#128269; Test';
+  res.style.display='block';
+  if(r.ok){
+    res.style.background='rgba(52,211,153,.12)'; res.style.color='var(--grn)';
+    res.textContent='✓ Verbindung OK - Lesen & Schreiben erfolgreich';
+  } else {
+    res.style.background='rgba(248,113,113,.1)'; res.style.color='var(--red)';
+    res.textContent='✗ ' + (r.error||'Test fehlgeschlagen');
+  }
 }
 async function utToggle(id){await api('/upload/targets/'+id+'/toggle','POST');await loadUTs();}
 async function utDel(id,name){
diff --git a/version.txt b/version.txt
index 08a69b5..c1cf2f9 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.0.32
\ No newline at end of file
+1.0.33
\ No newline at end of file