diff --git a/src/lib/gitea.ts b/src/lib/gitea.ts
index 416a225..f7a1a92 100644
--- a/src/lib/gitea.ts
+++ b/src/lib/gitea.ts
@@ -1435,20 +1435,54 @@ export async function mirrorGitHubReleasesToGitea({
         }
       ).catch(() => null);
 
+      const releaseNote = release.body || "";
+      
       if (existingReleasesResponse) {
-        console.log(`[Releases] Release ${release.tag_name} already exists, skipping`);
-        skippedCount++;
+        // Update existing release if the changelog/body differs
+        const existingRelease = existingReleasesResponse.data;
+        const existingNote = existingRelease.body || "";
+        
+        if (existingNote !== releaseNote || existingRelease.name !== (release.name || release.tag_name)) {
+          console.log(`[Releases] Updating existing release ${release.tag_name} with new changelog/title`);
+          
+          await httpPut(
+            `${config.giteaConfig.url}/api/v1/repos/${repoOwner}/${repository.name}/releases/${existingRelease.id}`,
+            {
+              tag_name: release.tag_name,
+              target: release.target_commitish,
+              title: release.name || release.tag_name,
+              body: releaseNote,
+              draft: release.draft,
+              prerelease: release.prerelease,
+            },
+            {
+              Authorization: `token ${decryptedConfig.giteaConfig.token}`,
+            }
+          );
+          
+          if (releaseNote) {
+            console.log(`[Releases] Updated changelog for ${release.tag_name} (${releaseNote.length} characters)`);
+          }
+          mirroredCount++;
+        } else {
+          console.log(`[Releases] Release ${release.tag_name} already up-to-date, skipping`);
+          skippedCount++;
+        }
         continue;
       }
 
-      // Create the release
+      // Create new release with changelog/body content
+      if (releaseNote) {
+        console.log(`[Releases] Including changelog for ${release.tag_name} (${releaseNote.length} characters)`);
+      }
+      
       const createReleaseResponse = await httpPost(
         `${config.giteaConfig.url}/api/v1/repos/${repoOwner}/${repository.name}/releases`,
         {
           tag_name: release.tag_name,
           target: release.target_commitish,
           title: release.name || release.tag_name,
-          note: release.body || "",
+          body: releaseNote,
           draft: release.draft,
           prerelease: release.prerelease,
         },
@@ -1507,13 +1541,14 @@ export async function mirrorGitHubReleasesToGitea({
       }
       
       mirroredCount++;
-      console.log(`[Releases] Successfully mirrored release: ${release.tag_name}`);
+      const noteInfo = releaseNote ? ` with ${releaseNote.length} character changelog` : " without changelog";
+      console.log(`[Releases] Successfully mirrored release: ${release.tag_name}${noteInfo}`);
     } catch (error) {
       console.error(`[Releases] Failed to mirror release ${release.tag_name}: ${error instanceof Error ? error.message : String(error)}`);
     }
   }
 
-  console.log(`✅ Mirrored ${mirroredCount} new releases to Gitea (${skippedCount} already existed)`);
+  console.log(`✅ Mirrored/Updated ${mirroredCount} releases to Gitea (${skippedCount} already up-to-date)`);
 }
 
 export async function mirrorGitRepoPullRequestsToGitea({
diff --git a/src/lib/scheduler-service.ts b/src/lib/scheduler-service.ts
index 563a54e..2d5ff18 100644
--- a/src/lib/scheduler-service.ts
+++ b/src/lib/scheduler-service.ts
@@ -41,6 +41,12 @@ async function runScheduledSync(config: any): Promise<void> {
   console.log(`[Scheduler] Running scheduled sync for user ${userId}`);
   
   try {
+    // Check if tokens are configured before proceeding
+    if (!config.githubConfig?.token || !config.giteaConfig?.token) {
+      console.log(`[Scheduler] Skipping sync for user ${userId}: GitHub or Gitea tokens not configured`);
+      return;
+    }
+    
     // Update lastRun timestamp
     const currentTime = new Date();
     const scheduleConfig = config.scheduleConfig || {};
@@ -307,25 +313,41 @@ async function schedulerLoop(): Promise<void> {
       config.scheduleConfig?.enabled === true
     );
     
-    if (enabledConfigs.length === 0) {
-      console.log(`[Scheduler] No configurations with scheduling enabled (found ${activeConfigs.length} active configs)`);
+    // Further filter configs that have valid tokens
+    const validConfigs = enabledConfigs.filter(config => {
+      const hasGitHubToken = !!config.githubConfig?.token;
+      const hasGiteaToken = !!config.giteaConfig?.token;
       
-      // Show details about why configs are not enabled
-      activeConfigs.forEach(config => {
-        const scheduleEnabled = config.scheduleConfig?.enabled;
-        const mirrorInterval = config.giteaConfig?.mirrorInterval;
-        console.log(`[Scheduler] User ${config.userId}: scheduleEnabled=${scheduleEnabled}, mirrorInterval=${mirrorInterval}`);
-      });
+      if (!hasGitHubToken || !hasGiteaToken) {
+        console.log(`[Scheduler] User ${config.userId}: Scheduling enabled but tokens missing (GitHub: ${hasGitHubToken}, Gitea: ${hasGiteaToken})`);
+        return false;
+      }
+      return true;
+    });
+    
+    if (validConfigs.length === 0) {
+      if (enabledConfigs.length > 0) {
+        console.log(`[Scheduler] ${enabledConfigs.length} config(s) have scheduling enabled but lack required tokens`);
+      } else {
+        console.log(`[Scheduler] No configurations with scheduling enabled (found ${activeConfigs.length} active configs)`);
+        
+        // Show details about why configs are not enabled
+        activeConfigs.forEach(config => {
+          const scheduleEnabled = config.scheduleConfig?.enabled;
+          const mirrorInterval = config.giteaConfig?.mirrorInterval;
+          console.log(`[Scheduler] User ${config.userId}: scheduleEnabled=${scheduleEnabled}, mirrorInterval=${mirrorInterval}`);
+        });
+      }
       
       return;
     }
     
-    console.log(`[Scheduler] Processing ${enabledConfigs.length} configurations with scheduling enabled (out of ${activeConfigs.length} total active configs)`);
+    console.log(`[Scheduler] Processing ${validConfigs.length} valid configurations (out of ${enabledConfigs.length} with scheduling enabled)`);
     
     // Check each configuration to see if it's time to run
     const currentTime = new Date();
     
-    for (const config of enabledConfigs) {
+    for (const config of validConfigs) {
       const scheduleConfig = config.scheduleConfig || {};
       
       // Check if it's time to run based on nextRun