diff --git a/GiteaHubSync/app/backend/panel.py b/GiteaHubSync/app/backend/panel.py
index b58da7f..9e6d723 100644
--- a/GiteaHubSync/app/backend/panel.py
+++ b/GiteaHubSync/app/backend/panel.py
@@ -47,7 +47,9 @@ DEFAULT_REPOS = ["SMB_Android", "DCU_APP", "GD32E50X_BOOT", "DCU_DesktopControll
                  "Motor_v2", "DCU_ECAT_Master", "GD32_BOOT"]
 LEGACY_GH_USER = "cbb2625274797"   # 旧版硬编码账号，仅用于首次运行的迁移
 LEGACY_GITEA_USER = "cbb"          # 旧版硬编码的 Gitea 用户名，仅作默认值
-INTERVAL = 10
+DEFAULT_INTERVAL = 10              # 同步间隔默认值（秒）
+MIN_INTERVAL = 5                   # 最小同步间隔（秒）
+MAX_INTERVAL = 86400               # 最大同步间隔（秒，1 天）
 PANEL_PORT = int(os.environ.get("PANEL_PORT", "8899"))
 START_TS = time.time()
 NAME_RE = re.compile(r"^[A-Za-z0-9._-]{1,100}$")
@@ -59,7 +61,24 @@ ENV["GIT_SSH_COMMAND"] = (f"ssh -i {SSH_KEY} -o IdentitiesOnly=yes "
 ENV["GIT_TERMINAL_PROMPT"] = "0"
 
 # ---------------- 应用设置（settings.json） ----------------
-cfg = {"gitea_user": LEGACY_GITEA_USER, "gitea_pass": "", "auto_create": True}
+cfg = {"gitea_user": LEGACY_GITEA_USER, "gitea_pass": "", "auto_create": True,
+       "interval": DEFAULT_INTERVAL}
+
+
+def sync_interval():
+    """当前同步间隔（秒），始终返回合法值"""
+    try:
+        iv = int(cfg.get("interval", DEFAULT_INTERVAL))
+    except Exception:
+        iv = DEFAULT_INTERVAL
+    return min(MAX_INTERVAL, max(MIN_INTERVAL, iv))
+
+
+def valid_interval(v):
+    try:
+        return MIN_INTERVAL <= int(v) <= MAX_INTERVAL
+    except Exception:
+        return False
 
 
 def load_settings():
@@ -69,6 +88,8 @@ def load_settings():
             cfg["gitea_user"] = d["gitea_user"]
         cfg["gitea_pass"] = str(d.get("gitea_pass") or "")
         cfg["auto_create"] = bool(d.get("auto_create", True))
+        if valid_interval(d.get("interval")):
+            cfg["interval"] = int(d["interval"])
     except Exception:
         pass
     write_gitcreds()
@@ -464,7 +485,7 @@ def loop():
         state["loop_last"] = time.time()
         if state["enabled"]:
             run_sync()
-        time.sleep(INTERVAL)
+        time.sleep(sync_interval())
 
 
 def load_panel_state():
@@ -544,14 +565,14 @@ def global_status():
     now = time.time()
     next_in = None
     if state["enabled"] and state["loop_last"]:
-        next_in = max(0, int(state["loop_last"] + INTERVAL - now))
+        next_in = max(0, int(state["loop_last"] + sync_interval() - now))
     gitea_all = list_gitea_repos()
     acc = active_account()
     return {
         "enabled": state["enabled"],
         "syncing": state["syncing"],
         "uptime": fmt_uptime(now - START_TS),
-        "interval": INTERVAL,
+        "interval": sync_interval(),
         "last_check": state["last_check"],
         "next_in": next_in,
         "checks": state["checks"],
@@ -707,7 +728,7 @@ PAGE_HOME = """
         <label class="switch"><input type="checkbox" id="sw" onchange="toggle()"><span class="slider"></span></label>
         <div>
           <div class="swlabel" id="swlabel">自动同步：开</div>
-          <div class="swsub">开启后每 10 秒检查一次 Gitea，有新提交自动推送到 GitHub</div>
+          <div class="swsub" id="swsub">开启后定期检查 Gitea，有新提交自动推送到 GitHub</div>
         </div>
       </div>
       <div class="btns">
@@ -738,9 +759,10 @@ async function refresh(){
     const s=await jget('api/state');
     document.getElementById('sw').checked=s.enabled;
     document.getElementById('swlabel').textContent='自动同步：'+(s.enabled?'开':'关');
+    document.getElementById('swsub').textContent='开启后每 '+(s.interval||10)+' 秒检查一次 Gitea，有新提交自动推送到 GitHub（间隔可在设置页修改）';
     const p=document.getElementById('pill');
     p.textContent=s.enabled?'运行中':'已停止';p.className='pill '+(s.enabled?'on':'off');
-    document.getElementById('sEnabled').textContent=s.enabled?'开启（10秒/次）':'已停止';
+    document.getElementById('sEnabled').textContent=s.enabled?('开启（'+(s.interval||10)+'秒/次）'):'已停止';
     document.getElementById('sAccount').textContent=s.account?(s.account.gh_user+'（'+s.account.method+'）'):'未配置';
     document.getElementById('sRepos').textContent=s.repo_count+' 个（已同步 '+s.synced_count+'）';
     document.getElementById('sUptime').textContent=s.uptime;
@@ -927,6 +949,11 @@ PAGE_SETTINGS = """
         <div class="swsub">需要当前账号已配置 Token；关闭后添加不存在的仓库会提示手动创建</div>
       </div>
     </div>
+    <div class="addrow" style="margin-top:16px;align-items:center">
+      <input id="syncInterval" type="number" min="5" max="86400" step="1" placeholder="同步间隔（秒）" style="max-width:200px">
+      <button class="b-mini" id="btnInterval" onclick="saveInterval()">保存间隔</button>
+      <span class="tip" style="margin:0" id="intervalTip"></span>
+    </div>
     <div class="msg" id="msgCfg"></div>
   </div>
 <script>
@@ -940,6 +967,10 @@ async function refresh(){
     document.getElementById('giteaPass').placeholder=s.gitea_pass_set
       ?'Gitea 密码（已设置；留空保存可清除）':'Gitea 密码（私有仓库必填）';
     document.getElementById('swAuto').checked=!!s.auto_create;
+    document.getElementById('syncInterval').value=s.interval||10;
+    document.getElementById('syncInterval').min=s.min_interval||5;
+    document.getElementById('syncInterval').max=s.max_interval||86400;
+    document.getElementById('intervalTip').textContent='每隔 '+fmtInterval(s.interval||10)+' 检查一次 Gitea 是否有新提交（'+(s.min_interval||5)+'~'+(s.max_interval||86400)+' 秒），改完立即生效';
     document.getElementById('tbAcc').innerHTML=(s.accounts||[]).map(a=>{
       const cur=a.id===s.active;
       const ops=cur
@@ -997,6 +1028,21 @@ async function saveAuto(){
   const r=await (await fetch('api/settings/save',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({auto_create})})).json();
   showMsg('msgCfg',r.msg||JSON.stringify(r),!!r.ok);refresh();
 }
+function fmtInterval(s){
+  s=parseInt(s,10)||0;
+  if(s>=3600)return (s/3600)+' 小时';
+  if(s>=60)return Math.round(s/6)/10+' 分钟';
+  return s+' 秒';
+}
+async function saveInterval(){
+  const v=parseInt(document.getElementById('syncInterval').value,10);
+  const b=document.getElementById('btnInterval');b.disabled=true;b.textContent='⏳ 保存中…';
+  try{
+    const r=await (await fetch('api/settings/save',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({interval:v})})).json();
+    showMsg('msgCfg',r.msg||JSON.stringify(r),!!r.ok);
+  }catch(e){showMsg('msgCfg','请求失败: '+e,false)}
+  finally{b.disabled=false;b.textContent='保存间隔';refresh();}
+}
 refresh();
 </script>
 """
@@ -1051,6 +1097,7 @@ class Handler(BaseHTTPRequestHandler):
             self._json({"enabled": state["enabled"], "syncing": state["syncing"],
                         "last_check": state["last_check"], "checks": state["checks"],
                         "last_result": state["last_result"],
+                        "interval": sync_interval(),
                         "repo_count": len(repos),
                         "synced_count": sum(1 for r in repos if state_path(acc, r).exists()),
                         "uptime": fmt_uptime(time.time() - START_TS),
@@ -1063,6 +1110,9 @@ class Handler(BaseHTTPRequestHandler):
                         "gitea_pass": mask_token(cfg.get("gitea_pass")),
                         "gitea_pass_set": bool(cfg.get("gitea_pass")),
                         "auto_create": bool(cfg.get("auto_create", True)),
+                        "interval": sync_interval(),
+                        "min_interval": MIN_INTERVAL,
+                        "max_interval": MAX_INTERVAL,
                         "gitea_url": GITEA_UI,
                         "active": active_id,
                         "accounts": [account_public(a) for a in accounts]})
@@ -1092,6 +1142,10 @@ class Handler(BaseHTTPRequestHandler):
                 new_user = u
             if "gitea_pass" in data:
                 new_pass = str(data.get("gitea_pass") or "")   # 空串 = 清除密码
+            if "interval" in data:
+                if not valid_interval(data.get("interval")):
+                    self._json({"ok": False, "msg": f"同步间隔须为 {MIN_INTERVAL} ~ {MAX_INTERVAL} 之间的整数（秒）"})
+                    return
             # 预校验：涉及 Gitea 账号的改动，先用新凭据调一次 /user 验证
             trial = dict(cfg)
             if new_user is not None:
@@ -1123,6 +1177,11 @@ class Handler(BaseHTTPRequestHandler):
                 log("Gitea 密码已" + ("更新" if new_pass else "清除"))
             if "auto_create" in data:
                 cfg["auto_create"] = bool(data.get("auto_create"))
+            if "interval" in data:
+                old_iv = sync_interval()
+                cfg["interval"] = int(data.get("interval"))
+                if cfg["interval"] != old_iv:
+                    log(f"同步间隔已调整: {old_iv}s -> {cfg['interval']}s")
             save_settings()
             if cfg.get("gitea_pass"):
                 msg = "已保存（Gitea 密码验证通过 ✓，可同步私有仓库）"
diff --git a/GiteaHubSync/manifest b/GiteaHubSync/manifest
index b5b2661..ef752d6 100644
--- a/GiteaHubSync/manifest
+++ b/GiteaHubSync/manifest
@@ -1,5 +1,5 @@
 appname               = GiteaHubSync
-version               = 1.1.0
+version               = 1.1.1
 display_name          = Gitea→GitHub 同步助手
 desc                  = 每次推送到飞牛 Gitea 的代码，10 秒内自动镜像到 GitHub 的 7 个私有仓库。内置控制面板：自动同步开关、立即同步、仓库状态、同步日志，一键打开 Gitea。数据全部保存在 NAS 本地。
 platform              = all
diff --git a/README.md b/README.md
index 19d8544..e14a65d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # GiteaHubSync — Gitea → GitHub 镜像同步（飞牛原生应用）
 
-每次推送到飞牛 Gitea（3000 端口）的代码，**10 秒内自动镜像到 GitHub**（默认 7 个仓库：
+每次推送到飞牛 Gitea（3000 端口）的代码，**自动镜像到 GitHub**（默认 10 秒一轮，间隔 5 秒 ~ 1 天可在设置页调整；默认 7 个仓库：
 SMB_Android / DCU_APP / GD32E50X_BOOT / DCU_DesktopController / Motor_v2 / DCU_ECAT_Master / GD32_BOOT，
 可任意增减）。
 
@@ -13,6 +13,7 @@ NAS 重启自动恢复。控制面板带自动同步开关、立即同步、仓
 
 - **多 GitHub 账号**：设置页可添加多个 GitHub 账号（用户名 + Personal Access Token），
   一键切换推送目标；每个账号独立记录同步进度，切回原账号不会重复推送
+- **同步间隔可调**：设置页可改检查间隔（5 秒 ~ 1 天，默认 10 秒），改完立即生效
 - **自动创建仓库**：Gitea 上的新仓库加入同步时，若 GitHub 上不存在同名仓库，
   自动按账号设置为私有/公开创建（可开关）
 - **两种推送方式**：配置了 Token 的账号走 HTTPS 推送（通用，任何人都能用自己的