diff --git a/renderer/renderer.js b/renderer/renderer.js
index 08da43a..f6737d0 100644
--- a/renderer/renderer.js
+++ b/renderer/renderer.js
@@ -1827,11 +1827,23 @@ async function loadRepoReleases(owner, repo) {
             </div>
         `;
         
+        // Event-Listener MUSS VOR innerHTML += gesetzt werden
         const newBtn = grid.querySelector('.btn-new-release');
-        newBtn.onclick = () => showCreateReleaseModal(owner, repo);
+        if (newBtn) {
+            newBtn.onclick = () => {
+                console.log('New Release button clicked');
+                showCreateReleaseModal(owner, repo);
+            };
+        } else {
+            console.error('New Release button not found in DOM');
+        }
         
         if (!res.releases || res.releases.length === 0) {
-            grid.innerHTML += '<div style="grid-column: 1/-1; text-align: center; padding: 60px; color: var(--text-muted); font-size: 16px;">📭 Noch keine Releases veröffentlicht</div>';
+            // WICHTIG: appendChild statt innerHTML +=, um Event-Listener zu erhalten
+            const emptyMsg = document.createElement('div');
+            emptyMsg.style.cssText = 'grid-column: 1/-1; text-align: center; padding: 60px; color: var(--text-muted); font-size: 16px;';
+            emptyMsg.textContent = '📭 Noch keine Releases veröffentlicht';
+            grid.appendChild(emptyMsg);
             setStatus('No releases');
             return;
         }
@@ -2134,10 +2146,12 @@ function createReleaseCard(release, isLatest) {
    CREATE RELEASE MODAL
    ------------------------- */
 function showCreateReleaseModal(owner, repo) {
+    let selectedFiles = [];
+    
     const modal = document.createElement('div');
     modal.className = 'modal';
     modal.innerHTML = `
-        <div class="card" style="width: 600px; max-width: 90vw;">
+        <div class="card" style="width: 650px; max-width: 90vw;">
             <h2>🚀 Neues Release erstellen</h2>
             
             <div class="input-group">
@@ -2173,6 +2187,23 @@ function showCreateReleaseModal(owner, repo) {
                 <input id="releaseTarget" type="text" value="main" placeholder="main">
             </div>
             
+            <div class="input-group">
+                <label>📎 Release Assets (optional)</label>
+                <button id="btnSelectAssets" style="
+                    width: 100%;
+                    padding: 12px;
+                    background: var(--bg-tertiary);
+                    border: 2px dashed rgba(255, 255, 255, 0.2);
+                    border-radius: var(--radius-md);
+                    color: var(--text-secondary);
+                    cursor: pointer;
+                    transition: all 0.2s;
+                ">
+                    📁 Dateien auswählen (z.B. .exe, .zip, .tar.gz)
+                </button>
+                <div id="assetsList" style="margin-top: 10px;"></div>
+            </div>
+            
             <div class="input-group" style="display: flex; gap: 20px;">
                 <label style="display: flex; align-items: center; gap: 8px; cursor: pointer;">
                     <input type="checkbox" id="releasePrerelease"> Pre-Release
@@ -2191,6 +2222,52 @@ function showCreateReleaseModal(owner, repo) {
     
     document.body.appendChild(modal);
     
+    // Asset-Auswahl Handler
+    $('btnSelectAssets').onclick = async () => {
+        const res = await window.electronAPI.selectFile();
+        if (res.ok && res.files && res.files.length > 0) {
+            selectedFiles = res.files;
+            updateAssetsList();
+        }
+    };
+    
+    function updateAssetsList() {
+        const list = $('assetsList');
+        if (selectedFiles.length === 0) {
+            list.innerHTML = '';
+            return;
+        }
+        
+        list.innerHTML = selectedFiles.map((file, idx) => `
+            <div style="
+                display: flex;
+                align-items: center;
+                gap: 10px;
+                padding: 8px 12px;
+                background: var(--bg-tertiary);
+                border-radius: var(--radius-sm);
+                margin-bottom: 6px;
+            ">
+                <span style="flex: 1; color: var(--text-primary); font-size: 13px;">📄 ${file.name}</span>
+                <button onclick="removeAsset(${idx})" style="
+                    background: rgba(255, 59, 48, 0.2);
+                    color: #ff3b30;
+                    border: none;
+                    padding: 4px 8px;
+                    border-radius: 4px;
+                    cursor: pointer;
+                    font-size: 12px;
+                ">✕</button>
+            </div>
+        `).join('');
+    }
+    
+    // Asset entfernen (global für onclick)
+    window.removeAsset = (idx) => {
+        selectedFiles.splice(idx, 1);
+        updateAssetsList();
+    };
+    
     $('btnCreateRelease').onclick = async () => {
         const tag = $('releaseTag').value.trim();
         const name = $('releaseName').value.trim() || tag;
@@ -2204,6 +2281,11 @@ function showCreateReleaseModal(owner, repo) {
             return;
         }
         
+        const btnCreate = $('btnCreateRelease');
+        const originalText = btnCreate.textContent;
+        btnCreate.disabled = true;
+        btnCreate.textContent = 'Erstelle Release...';
+        
         setStatus('Creating release...');
         
         try {
@@ -2219,15 +2301,43 @@ function showCreateReleaseModal(owner, repo) {
             });
             
             if (res.ok) {
+                // Assets hochladen, falls vorhanden
+                if (selectedFiles.length > 0) {
+                    btnCreate.textContent = `Lade Assets (0/${selectedFiles.length})...`;
+                    setStatus(`Uploading ${selectedFiles.length} asset(s)...`);
+                    
+                    for (let i = 0; i < selectedFiles.length; i++) {
+                        const file = selectedFiles[i];
+                        btnCreate.textContent = `Lade Assets (${i + 1}/${selectedFiles.length})...`;
+                        
+                        try {
+                            await window.electronAPI.uploadReleaseAsset({
+                                owner,
+                                repo,
+                                releaseId: res.release.id,
+                                filePath: file.path,
+                                fileName: file.name
+                            });
+                        } catch (err) {
+                            console.error('Asset upload error:', err);
+                            // Weiter mit nächster Datei
+                        }
+                    }
+                }
+                
                 modal.remove();
-                setStatus('Release created!');
+                setStatus('Release created successfully!');
                 loadRepoReleases(owner, repo); // Reload
             } else {
                 setStatus('Failed: ' + res.error);
+                btnCreate.disabled = false;
+                btnCreate.textContent = originalText;
             }
         } catch (error) {
             console.error('Create release error:', error);
             setStatus('Create failed');
+            btnCreate.disabled = false;
+            btnCreate.textContent = originalText;
         }
     };
     
@@ -2250,8 +2360,9 @@ async function showUploadAssetDialog(release) {
             return;
         }
         
-        const filePath = res.files[0];
-        const fileName = filePath.split(/[\\/]/).pop();
+        const file = res.files[0];
+        const filePath = file.path;
+        const fileName = file.name;
         
         setStatus(`Uploading ${fileName}...`);
         showProgress(0, `Uploading ${fileName}...`);