diff --git a/resources/views/chat/frame.blade.php b/resources/views/chat/frame.blade.php
index a3a8123..aa9f4e6 100644
--- a/resources/views/chat/frame.blade.php
+++ b/resources/views/chat/frame.blade.php
@@ -46,7 +46,11 @@
             chatBotClearUrl: "{{ route('chatbot.clear') }}",
             chatBotEnabled: {{ \App\Models\Sysparam::getValue('chatbot_enabled', '0') === '1' ? 'true' : 'false' }},
             hasPosition: {{ Auth::user()->activePosition || Auth::user()->user_level >= $superLevel ? 'true' : 'false' }},
-            myMaxReward: {{ Auth::user()->activePosition?->position?->max_reward ?? 0 }},
+            myMaxReward: @php
+                $pos = Auth::user()->activePosition?->position;
+                // -1 = 有权限但无上限（null），0 = 禁止，正整数 = 有具体上限
+                echo $pos ? ($pos->max_reward === null ? -1 : (int) $pos->max_reward) : 0;
+            @endphp,
             appointPositionsUrl: "{{ route('chat.appoint.positions') }}",
             appointUrl: "{{ route('chat.appoint.appoint') }}",
             revokeUrl: "{{ route('chat.appoint.revoke') }}",
diff --git a/resources/views/chat/partials/user-actions.blade.php b/resources/views/chat/partials/user-actions.blade.php
index 057f4ea..c8e1af6 100644
--- a/resources/views/chat/partials/user-actions.blade.php
+++ b/resources/views/chat/partials/user-actions.blade.php
@@ -473,7 +473,13 @@
                     this.$alert('请输入有效的奖励金额', '提示', '#f59e0b');
                     return;
                 }
-                if (amount > maxOnce) {
+                // 0 = 禁止（前端按钮不显示，此处二次保护）
+                if (maxOnce === 0) {
+                    this.$alert('你的职务没有奖励发放权限', '无权限', '#cc4444');
+                    return;
+                }
+                // -1 = 不限，跳过上限校验；正整数 = 有具体上限
+                if (maxOnce > 0 && amount > maxOnce) {
                     this.$alert(`单次奖励上限为 ${maxOnce} 金币`, '超出上限', '#cc4444');
                     return;
                 }
@@ -674,8 +680,8 @@
                         🎁 送礼物
                     </button>
 
-                    {{-- 送金币按钮：仅职务持有者且有 max_reward 时显示 --}}
-                    <button x-show="window.chatContext?.myMaxReward > 0"
+                    {{-- 送金币按钮：有在职职务且 max_reward 不为 0（0=禁止，-1=不限，正数=有上限） --}}
+                    <button x-show="window.chatContext?.myMaxReward !== 0"
                         style="flex:1; padding: 7px 10px; border-radius: 5px; font-size: 12px; font-weight: bold; cursor: pointer;
                                background: linear-gradient(135deg,#f59e0b,#d97706); color:#fff; border:none;"
                         x-on:click="showRewardPanel = !showRewardPanel; showGiftPanel = false;">
@@ -742,7 +748,9 @@
                         style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px;">
                         <span style="font-size: 13px; color: #92400e; font-weight: bold;">🪙 发放奖励金币</span>
                         <span style="font-size: 11px; color: #b45309;">
-                            单次上限：<b x-text="window.chatContext?.myMaxReward ?? 0"></b> 金币
+                            单次上限：<b
+                                x-text="window.chatContext?.myMaxReward === -1 ? '不限' : (window.chatContext?.myMaxReward ?? 0)"></b>
+                            <span x-show="window.chatContext?.myMaxReward !== -1"> 金币</span>
                         </span>
                         <button x-on:click="showRewardPanel = false"
                             style="background: none; border: none; color: #94a3b8; cursor: pointer; font-size: 18px; line-height: 1;">×</button>
@@ -750,7 +758,8 @@
 
                     <div style="display: flex; gap: 8px; align-items: center;">
                         <input type="number" x-model.number="rewardAmount" :min="1"
-                            :max="window.chatContext?.myMaxReward ?? 9999" placeholder="输入金额"
+                            :max="window.chatContext?.myMaxReward > 0 ? window.chatContext.myMaxReward : 999999"
+                            placeholder="输入金额"
                             style="flex:1; height: 36px; padding: 0 10px; border: 1px solid #fcd34d;
                                    border-radius: 6px; font-size: 14px; color: #92400e; background: #fff;
                                    outline: none; box-sizing: border-box;">