diff --git a/ruoyi-ui/src/views/system/sms/smsLog.vue b/ruoyi-ui/src/views/system/sms/smsLog.vue
index d24968bdb..137f04850 100644
--- a/ruoyi-ui/src/views/system/sms/smsLog.vue
+++ b/ruoyi-ui/src/views/system/sms/smsLog.vue
@@ -84,7 +84,7 @@
           <div>{{ parseTime(scope.row.receiveTime) }}</div>
         </template>
       </el-table-column>
-      <el-table-column label="短信渠道" align="center" width="100">
+      <el-table-column label="短信渠道" align="center" width="120">
         <template slot-scope="scope">
           <div>{{ formatChannelSignature(scope.row.channelId) }}</div>
           <div>【{{ getDictDataLabel(DICT_TYPE.SYS_SMS_CHANNEL_CODE, scope.row.channelCode) }}】</div>
diff --git a/ruoyi-ui/src/views/system/sms/smsTemplate.vue b/ruoyi-ui/src/views/system/sms/smsTemplate.vue
index d1e0b7fbf..c65bf8838 100644
--- a/ruoyi-ui/src/views/system/sms/smsTemplate.vue
+++ b/ruoyi-ui/src/views/system/sms/smsTemplate.vue
@@ -68,7 +68,7 @@
       </el-table-column>
       <el-table-column label="备注" align="center" prop="remark" />
       <el-table-column label="短信 API 的模板编号" align="center" prop="apiTemplateId" width="180" />
-      <el-table-column label="短信渠道" align="center">
+      <el-table-column label="短信渠道" align="center" width="120">
         <template slot-scope="scope">
           <div>{{ formatChannelSignature(scope.row.channelId) }}</div>
           <div>【{{ getDictDataLabel(DICT_TYPE.SYS_SMS_CHANNEL_CODE, scope.row.channelCode) }}】</div>
diff --git a/src/main/java/cn/iocoder/dashboard/framework/sms/core/client/impl/AbstractSmsClient.java b/src/main/java/cn/iocoder/dashboard/framework/sms/core/client/impl/AbstractSmsClient.java
index 254040229..068c0db7c 100644
--- a/src/main/java/cn/iocoder/dashboard/framework/sms/core/client/impl/AbstractSmsClient.java
+++ b/src/main/java/cn/iocoder/dashboard/framework/sms/core/client/impl/AbstractSmsClient.java
@@ -50,7 +50,7 @@ public abstract class AbstractSmsClient implements SmsClient {
 
     public final void refresh(SmsChannelProperties properties) {
         // 判断是否更新
-        if (!properties.equals(this.properties)) {
+        if (properties.equals(this.properties)) {
             return;
         }
         log.info("[refresh][配置({})发生变化，重新初始化]", properties);
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/sms/SysSmsChannelMapper.java b/src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/sms/SysSmsChannelMapper.java
index 10155a1b4..69e329b90 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/sms/SysSmsChannelMapper.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/sms/SysSmsChannelMapper.java
@@ -7,7 +7,9 @@ import cn.iocoder.dashboard.modules.system.controller.sms.vo.channel.SysSmsChann
 import cn.iocoder.dashboard.modules.system.dal.dataobject.sms.SysSmsChannelDO;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
 
+import java.util.Date;
 import java.util.List;
 
 @Mapper
@@ -21,9 +23,7 @@ public interface SysSmsChannelMapper extends BaseMapperX<SysSmsChannelDO> {
                 .orderByDesc("id"));
     }
 
-    default List<SysSmsChannelDO> selectListByStatus(Integer status) {
-        return selectList(new LambdaQueryWrapper<SysSmsChannelDO>().eq(SysSmsChannelDO::getStatus, status)
-                .orderByAsc(SysSmsChannelDO::getId));
-    }
+    @Select("SELECT id FROM sys_sms_channel WHERE update_time > #{maxUpdateTime} LIMIT 1")
+    Long selectExistsByUpdateTimeAfter(Date maxUpdateTime);
 
 }
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/sms/SysSmsTemplateMapper.java b/src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/sms/SysSmsTemplateMapper.java
index 2193b2416..a41e38b2d 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/sms/SysSmsTemplateMapper.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/sms/SysSmsTemplateMapper.java
@@ -7,7 +7,9 @@ import cn.iocoder.dashboard.modules.system.controller.sms.vo.template.SysSmsTemp
 import cn.iocoder.dashboard.modules.system.controller.sms.vo.template.SysSmsTemplatePageReqVO;
 import cn.iocoder.dashboard.modules.system.dal.dataobject.sms.SysSmsTemplateDO;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
 
+import java.util.Date;
 import java.util.List;
 
 @Mapper
@@ -45,4 +47,7 @@ public interface SysSmsTemplateMapper extends BaseMapperX<SysSmsTemplateDO> {
         return selectCount("channel_id", channelId);
     }
 
+    @Select("SELECT id FROM sys_sms_template WHERE update_time > #{maxUpdateTime} LIMIT 1")
+    Long selectExistsByUpdateTimeAfter(Date maxUpdateTime);
+
 }
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/mq/consumer/sms/SysSmsChannelRefreshConsumer.java b/src/main/java/cn/iocoder/dashboard/modules/system/mq/consumer/sms/SysSmsChannelRefreshConsumer.java
new file mode 100644
index 000000000..6105889cb
--- /dev/null
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/mq/consumer/sms/SysSmsChannelRefreshConsumer.java
@@ -0,0 +1,29 @@
+package cn.iocoder.dashboard.modules.system.mq.consumer.sms;
+
+import cn.iocoder.dashboard.framework.redis.core.pubsub.AbstractChannelMessageListener;
+import cn.iocoder.dashboard.modules.system.mq.message.sms.SysSmsChannelRefreshMessage;
+import cn.iocoder.dashboard.modules.system.service.sms.SysSmsChannelService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+
+/**
+ * 针对 {@link SysSmsChannelRefreshMessage} 的消费者
+ *
+ * @author 芋道源码
+ */
+@Component
+@Slf4j
+public class SysSmsChannelRefreshConsumer extends AbstractChannelMessageListener<SysSmsChannelRefreshMessage> {
+
+    @Resource
+    private SysSmsChannelService smsChannelService;
+
+    @Override
+    public void onMessage(SysSmsChannelRefreshMessage message) {
+        log.info("[onMessage][收到 SmsChannel 刷新消息]");
+        smsChannelService.initSmsClients();
+    }
+
+}
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/mq/consumer/sms/SysSmsTemplateRefreshConsumer.java b/src/main/java/cn/iocoder/dashboard/modules/system/mq/consumer/sms/SysSmsTemplateRefreshConsumer.java
new file mode 100644
index 000000000..c310c48fa
--- /dev/null
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/mq/consumer/sms/SysSmsTemplateRefreshConsumer.java
@@ -0,0 +1,29 @@
+package cn.iocoder.dashboard.modules.system.mq.consumer.sms;
+
+import cn.iocoder.dashboard.framework.redis.core.pubsub.AbstractChannelMessageListener;
+import cn.iocoder.dashboard.modules.system.mq.message.sms.SysSmsTemplateRefreshMessage;
+import cn.iocoder.dashboard.modules.system.service.sms.SysSmsTemplateService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+
+/**
+ * 针对 {@link SysSmsTemplateRefreshMessage} 的消费者
+ *
+ * @author 芋道源码
+ */
+@Component
+@Slf4j
+public class SysSmsTemplateRefreshConsumer extends AbstractChannelMessageListener<SysSmsTemplateRefreshMessage> {
+
+    @Resource
+    private SysSmsTemplateService smsTemplateService;
+
+    @Override
+    public void onMessage(SysSmsTemplateRefreshMessage message) {
+        log.info("[onMessage][收到 SmsTemplate 刷新消息]");
+        smsTemplateService.initLocalCache();
+    }
+
+}
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/mq/message/sms/SysSmsChannelRefreshMessage.java b/src/main/java/cn/iocoder/dashboard/modules/system/mq/message/sms/SysSmsChannelRefreshMessage.java
new file mode 100644
index 000000000..fa2878720
--- /dev/null
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/mq/message/sms/SysSmsChannelRefreshMessage.java
@@ -0,0 +1,17 @@
+package cn.iocoder.dashboard.modules.system.mq.message.sms;
+
+import cn.iocoder.dashboard.framework.redis.core.pubsub.ChannelMessage;
+import lombok.Data;
+
+/**
+ * 短信渠道的数据刷新 Message
+ */
+@Data
+public class SysSmsChannelRefreshMessage implements ChannelMessage {
+
+    @Override
+    public String getChannel() {
+        return "system.sms-channel.refresh";
+    }
+
+}
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/mq/message/sms/SysSmsTemplateRefreshMessage.java b/src/main/java/cn/iocoder/dashboard/modules/system/mq/message/sms/SysSmsTemplateRefreshMessage.java
new file mode 100644
index 000000000..4925b092a
--- /dev/null
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/mq/message/sms/SysSmsTemplateRefreshMessage.java
@@ -0,0 +1,17 @@
+package cn.iocoder.dashboard.modules.system.mq.message.sms;
+
+import cn.iocoder.dashboard.framework.redis.core.pubsub.ChannelMessage;
+import lombok.Data;
+
+/**
+ * 短信模板的数据刷新 Message
+ */
+@Data
+public class SysSmsTemplateRefreshMessage implements ChannelMessage {
+
+    @Override
+    public String getChannel() {
+        return "system.sms-template.refresh";
+    }
+
+}
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/mq/producer/permission/SysRoleProducer.java b/src/main/java/cn/iocoder/dashboard/modules/system/mq/producer/permission/SysRoleProducer.java
index e11945dfe..b398a27a1 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/mq/producer/permission/SysRoleProducer.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/mq/producer/permission/SysRoleProducer.java
@@ -9,6 +9,8 @@ import javax.annotation.Resource;
 
 /**
  * Role 角色相关消息的 Producer
+ *
+ * @author 芋道源码
  */
 @Component
 public class SysRoleProducer {
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/mq/producer/sms/SysSmsProducer.java b/src/main/java/cn/iocoder/dashboard/modules/system/mq/producer/sms/SysSmsProducer.java
index 8e72bcf38..d346ef02e 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/mq/producer/sms/SysSmsProducer.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/mq/producer/sms/SysSmsProducer.java
@@ -2,7 +2,9 @@ package cn.iocoder.dashboard.modules.system.mq.producer.sms;
 
 import cn.iocoder.dashboard.common.core.KeyValue;
 import cn.iocoder.dashboard.framework.redis.core.util.RedisMessageUtils;
+import cn.iocoder.dashboard.modules.system.mq.message.sms.SysSmsChannelRefreshMessage;
 import cn.iocoder.dashboard.modules.system.mq.message.sms.SysSmsSendMessage;
+import cn.iocoder.dashboard.modules.system.mq.message.sms.SysSmsTemplateRefreshMessage;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Component;
@@ -11,7 +13,7 @@ import javax.annotation.Resource;
 import java.util.List;
 
 /**
- * 短信发送流消息监听器
+ * Sms 短信相关消息的 Producer
  *
  * @author zzf
  * @date 2021/3/9 16:35
@@ -24,7 +26,7 @@ public class SysSmsProducer {
     private StringRedisTemplate stringRedisTemplate;
 
     /**
-     * 发送短信 Message
+     * 发送 {@link SysSmsSendMessage} 消息
      *
      * @param logId 短信日志编号
      * @param mobile 手机号
@@ -39,4 +41,20 @@ public class SysSmsProducer {
         RedisMessageUtils.sendStreamMessage(stringRedisTemplate, message);
     }
 
+    /**
+     * 发送 {@link SysSmsChannelRefreshMessage} 消息
+     */
+    public void sendSmsChannelRefreshMessage() {
+        SysSmsChannelRefreshMessage message = new SysSmsChannelRefreshMessage();
+        RedisMessageUtils.sendChannelMessage(stringRedisTemplate, message);
+    }
+
+    /**
+     * 发送 {@link SysSmsTemplateRefreshMessage} 消息
+     */
+    public void sendSmsTemplateRefreshMessage() {
+        SysSmsTemplateRefreshMessage message = new SysSmsTemplateRefreshMessage();
+        RedisMessageUtils.sendChannelMessage(stringRedisTemplate, message);
+    }
+
 }
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/service/package-info.java b/src/main/java/cn/iocoder/dashboard/modules/system/service/package-info.java
deleted file mode 100644
index 09c1d9d14..000000000
--- a/src/main/java/cn/iocoder/dashboard/modules/system/service/package-info.java
+++ /dev/null
@@ -1 +0,0 @@
-package cn.iocoder.dashboard.modules.system.service;
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/service/permission/SysPermissionService.java b/src/main/java/cn/iocoder/dashboard/modules/system/service/permission/SysPermissionService.java
index 5390d3294..6bb79c446 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/service/permission/SysPermissionService.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/service/permission/SysPermissionService.java
@@ -18,7 +18,7 @@ import java.util.Set;
 public interface SysPermissionService extends SecurityPermissionFrameworkService {
 
     /**
-     * 初始化
+     * 初始化权限的本地缓存
      */
     void initLocalCache();
 
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/service/permission/impl/SysRoleServiceImpl.java b/src/main/java/cn/iocoder/dashboard/modules/system/service/permission/impl/SysRoleServiceImpl.java
index e79813636..0115905bb 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/service/permission/impl/SysRoleServiceImpl.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/service/permission/impl/SysRoleServiceImpl.java
@@ -58,7 +58,7 @@ public class SysRoleServiceImpl implements SysRoleService {
      */
     private volatile Map<Long, SysRoleDO> roleCache;
     /**
-     * 缓存菜单的最大更新时间，用于后续的增量轮询，判断是否有更新
+     * 缓存角色的最大更新时间，用于后续的增量轮询，判断是否有更新
      */
     private volatile Date maxUpdateTime;
 
@@ -77,7 +77,7 @@ public class SysRoleServiceImpl implements SysRoleService {
     @Override
     @PostConstruct
     public void initLocalCache() {
-        // 获取菜单列表，如果有更新
+        // 获取角色列表，如果有更新
         List<SysRoleDO> roleList = this.loadRoleIfUpdate(maxUpdateTime);
         if (CollUtil.isEmpty(roleList)) {
             return;
@@ -98,23 +98,23 @@ public class SysRoleServiceImpl implements SysRoleService {
     }
 
     /**
-     * 如果菜单发生变化，从数据库中获取最新的全量菜单。
+     * 如果角色发生变化，从数据库中获取最新的全量角色。
      * 如果未发生变化，则返回空
      *
-     * @param maxUpdateTime 当前菜单的最大更新时间
-     * @return 菜单列表
+     * @param maxUpdateTime 当前角色的最大更新时间
+     * @return 角色列表
      */
     private List<SysRoleDO> loadRoleIfUpdate(Date maxUpdateTime) {
         // 第一步，判断是否要更新。
         if (maxUpdateTime == null) { // 如果更新时间为空，说明 DB 一定有新数据
-            log.info("[loadRoleIfUpdate][首次加载全量菜单]");
-        } else { // 判断数据库中是否有更新的菜单
+            log.info("[loadRoleIfUpdate][首次加载全量角色]");
+        } else { // 判断数据库中是否有更新的角色
             if (!roleMapper.selectExistsByUpdateTimeAfter(maxUpdateTime)) {
                 return null;
             }
-            log.info("[loadRoleIfUpdate][增量加载全量菜单]");
+            log.info("[loadRoleIfUpdate][增量加载全量角色]");
         }
-        // 第二步，如果有更新，则从数据库加载所有菜单
+        // 第二步，如果有更新，则从数据库加载所有角色
         return roleMapper.selectList();
     }
 
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/SysSmsTemplateService.java b/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/SysSmsTemplateService.java
index 4402f5f48..1af5dae12 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/SysSmsTemplateService.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/SysSmsTemplateService.java
@@ -20,6 +20,11 @@ import java.util.Map;
  */
 public interface SysSmsTemplateService {
 
+    /**
+     * 初始化短信模板的本地缓存
+     */
+    void initLocalCache();
+
     /**
      * 获得短信模板
      *
@@ -28,6 +33,14 @@ public interface SysSmsTemplateService {
      */
     SysSmsTemplateDO getSmsTemplateByCode(String code);
 
+    /**
+     * 获得短信模板，从缓存中
+     *
+     * @param code 模板编码
+     * @return 短信模板
+     */
+    SysSmsTemplateDO getSmsTemplateByCodeFromCache(String code);
+
     /**
      * 格式化短信内容
      *
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsChannelServiceImpl.java b/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsChannelServiceImpl.java
index f5d63cc64..16ecdecff 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsChannelServiceImpl.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsChannelServiceImpl.java
@@ -1,7 +1,8 @@
 package cn.iocoder.dashboard.modules.system.service.sms.impl;
 
-import cn.iocoder.dashboard.common.enums.CommonStatusEnum;
+import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.dashboard.common.pojo.PageResult;
+import cn.iocoder.dashboard.framework.mybatis.core.dataobject.BaseDO;
 import cn.iocoder.dashboard.framework.sms.core.client.SmsClientFactory;
 import cn.iocoder.dashboard.framework.sms.core.property.SmsChannelProperties;
 import cn.iocoder.dashboard.modules.system.controller.sms.vo.channel.SysSmsChannelCreateReqVO;
@@ -10,13 +11,18 @@ import cn.iocoder.dashboard.modules.system.controller.sms.vo.channel.SysSmsChann
 import cn.iocoder.dashboard.modules.system.convert.sms.SysSmsChannelConvert;
 import cn.iocoder.dashboard.modules.system.dal.dataobject.sms.SysSmsChannelDO;
 import cn.iocoder.dashboard.modules.system.dal.mysql.sms.SysSmsChannelMapper;
+import cn.iocoder.dashboard.modules.system.mq.producer.sms.SysSmsProducer;
 import cn.iocoder.dashboard.modules.system.service.sms.SysSmsChannelService;
 import cn.iocoder.dashboard.modules.system.service.sms.SysSmsTemplateService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.PostConstruct;
 import javax.annotation.Resource;
 import java.util.Collection;
+import java.util.Comparator;
+import java.util.Date;
 import java.util.List;
 
 import static cn.iocoder.dashboard.common.exception.util.ServiceExceptionUtil.exception;
@@ -30,8 +36,20 @@ import static cn.iocoder.dashboard.modules.system.enums.SysErrorCodeConstants.SM
  * @date 2021/1/25 9:25
  */
 @Service
+@Slf4j
 public class SysSmsChannelServiceImpl implements SysSmsChannelService {
 
+    /**
+     * 定时执行 {@link #schedulePeriodicRefresh()} 的周期
+     * 因为已经通过 Redis Pub/Sub 机制，所以频率不需要高
+     */
+    private static final long SCHEDULER_PERIOD = 5 * 60 * 1000L;
+
+    /**
+     * 缓存菜单的最大更新时间，用于后续的增量轮询，判断是否有更新
+     */
+    private volatile Date maxUpdateTime;
+
     @Resource
     private SmsClientFactory smsClientFactory;
 
@@ -41,23 +59,61 @@ public class SysSmsChannelServiceImpl implements SysSmsChannelService {
     @Resource
     private SysSmsTemplateService smsTemplateService;
 
+    @Resource
+    private SysSmsProducer smsProducer;
+
     @Override
     @PostConstruct
     public void initSmsClients() {
-        // 查询有效渠道信息
-        List<SysSmsChannelDO> channelDOList = smsChannelMapper.selectListByStatus(CommonStatusEnum.ENABLE.getStatus());
-        // 创建渠道 Client
-        List<SmsChannelProperties> propertiesList = SysSmsChannelConvert.INSTANCE.convertList02(channelDOList);
+        // 获取短信渠道，如果有更新
+        List<SysSmsChannelDO> smsChannels = this.loadSmsChannelIfUpdate(maxUpdateTime);
+        if (CollUtil.isEmpty(smsChannels)) {
+            return;
+        }
+
+        // 创建或更新短信 Client
+        List<SmsChannelProperties> propertiesList = SysSmsChannelConvert.INSTANCE.convertList02(smsChannels);
         propertiesList.forEach(properties -> smsClientFactory.createOrUpdateSmsClient(properties));
+
+        // 写入缓存
+        assert smsChannels.size() > 0; // 断言，避免告警
+        maxUpdateTime = smsChannels.stream().max(Comparator.comparing(BaseDO::getUpdateTime)).get().getUpdateTime();
+        log.info("[initSmsClients][初始化 SmsChannel 数量为 {}]", smsChannels.size());
     }
 
-    // TODO 芋艿：刷新缓存
+    @Scheduled(fixedDelay = SCHEDULER_PERIOD, initialDelay = SCHEDULER_PERIOD)
+    public void schedulePeriodicRefresh() {
+        initSmsClients();
+    }
+
+    /**
+     * 如果短信渠道发生变化，从数据库中获取最新的全量短信渠道。
+     * 如果未发生变化，则返回空
+     *
+     * @param maxUpdateTime 当前短信渠道的最大更新时间
+     * @return 短信渠道列表
+     */
+    private List<SysSmsChannelDO> loadSmsChannelIfUpdate(Date maxUpdateTime) {
+        // 第一步，判断是否要更新。
+        if (maxUpdateTime == null) { // 如果更新时间为空，说明 DB 一定有新数据
+            log.info("[loadSmsChannelIfUpdate][首次加载全量短信渠道]");
+        } else { // 判断数据库中是否有更新的短信渠道
+            if (smsChannelMapper.selectExistsByUpdateTimeAfter(maxUpdateTime) == null) {
+                return null;
+            }
+            log.info("[loadSmsChannelIfUpdate][增量加载全量短信渠道]");
+        }
+        // 第二步，如果有更新，则从数据库加载所有短信渠道
+        return smsChannelMapper.selectList();
+    }
 
     @Override
     public Long createSmsChannel(SysSmsChannelCreateReqVO createReqVO) {
         // 插入
         SysSmsChannelDO smsChannel = SysSmsChannelConvert.INSTANCE.convert(createReqVO);
         smsChannelMapper.insert(smsChannel);
+        // 发送刷新消息
+        smsProducer.sendSmsChannelRefreshMessage();
         // 返回
         return smsChannel.getId();
     }
@@ -69,6 +125,8 @@ public class SysSmsChannelServiceImpl implements SysSmsChannelService {
         // 更新
         SysSmsChannelDO updateObj = SysSmsChannelConvert.INSTANCE.convert(updateReqVO);
         smsChannelMapper.updateById(updateObj);
+        // 发送刷新消息
+        smsProducer.sendSmsChannelRefreshMessage();
     }
 
     @Override
@@ -79,8 +137,10 @@ public class SysSmsChannelServiceImpl implements SysSmsChannelService {
         if (smsTemplateService.countByChannelId(id) > 0) {
             throw exception(SMS_CHANNEL_HAS_CHILDREN);
         }
-        // 更新
+        // 删除
         smsChannelMapper.deleteById(id);
+        // 发送刷新消息
+        smsProducer.sendSmsChannelRefreshMessage();
     }
 
     private void validateSmsChannelExists(Long id) {
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsServiceImpl.java b/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsServiceImpl.java
index 5332c813c..cd96adedc 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsServiceImpl.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsServiceImpl.java
@@ -98,8 +98,9 @@ public class SysSmsServiceImpl implements SysSmsService {
     }
 
     private SysSmsTemplateDO checkSmsTemplateValid(String templateCode) {
+        // 获得短信模板。考虑到效率，从缓存中获取
+        SysSmsTemplateDO template = smsTemplateService.getSmsTemplateByCodeFromCache(templateCode);
         // 短信模板不存在
-        SysSmsTemplateDO template = smsTemplateService.getSmsTemplateByCode(templateCode);
         if (template == null) {
             throw exception(SMS_TEMPLATE_NOT_EXISTS);
         }
diff --git a/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsTemplateServiceImpl.java b/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsTemplateServiceImpl.java
index 7cd15e4ba..0a070aefb 100644
--- a/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsTemplateServiceImpl.java
+++ b/src/main/java/cn/iocoder/dashboard/modules/system/service/sms/impl/SysSmsTemplateServiceImpl.java
@@ -1,9 +1,11 @@
 package cn.iocoder.dashboard.modules.system.service.sms.impl;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.ReUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.iocoder.dashboard.common.enums.CommonStatusEnum;
 import cn.iocoder.dashboard.common.pojo.PageResult;
+import cn.iocoder.dashboard.framework.mybatis.core.dataobject.BaseDO;
 import cn.iocoder.dashboard.framework.sms.core.client.SmsClient;
 import cn.iocoder.dashboard.framework.sms.core.client.SmsClientFactory;
 import cn.iocoder.dashboard.framework.sms.core.client.SmsCommonResult;
@@ -16,17 +18,19 @@ import cn.iocoder.dashboard.modules.system.convert.sms.SysSmsTemplateConvert;
 import cn.iocoder.dashboard.modules.system.dal.dataobject.sms.SysSmsChannelDO;
 import cn.iocoder.dashboard.modules.system.dal.dataobject.sms.SysSmsTemplateDO;
 import cn.iocoder.dashboard.modules.system.dal.mysql.sms.SysSmsTemplateMapper;
+import cn.iocoder.dashboard.modules.system.mq.producer.sms.SysSmsProducer;
 import cn.iocoder.dashboard.modules.system.service.sms.SysSmsChannelService;
 import cn.iocoder.dashboard.modules.system.service.sms.SysSmsTemplateService;
 import com.google.common.annotations.VisibleForTesting;
+import com.google.common.collect.ImmutableMap;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 import org.springframework.util.Assert;
 
+import javax.annotation.PostConstruct;
 import javax.annotation.Resource;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
+import java.util.*;
 import java.util.regex.Pattern;
 
 import static cn.iocoder.dashboard.common.exception.util.ServiceExceptionUtil.exception;
@@ -39,6 +43,7 @@ import static cn.iocoder.dashboard.modules.system.enums.SysErrorCodeConstants.*;
  * @date 2021/1/25 9:25
  */
 @Service
+@Slf4j
 public class SysSmsTemplateServiceImpl implements SysSmsTemplateService {
 
     /**
@@ -46,6 +51,24 @@ public class SysSmsTemplateServiceImpl implements SysSmsTemplateService {
      */
     private static final Pattern PATTERN_PARAMS = Pattern.compile("\\{(.*?)}");
 
+    /**
+     * 定时执行 {@link #schedulePeriodicRefresh()} 的周期
+     * 因为已经通过 Redis Pub/Sub 机制，所以频率不需要高
+     */
+    private static final long SCHEDULER_PERIOD = 5 * 60 * 1000L;
+
+    /**
+     * 短信模板缓存
+     * key：短信模板编码 {@link SysSmsTemplateDO#getCode()}
+     *
+     * 这里声明 volatile 修饰的原因是，每次刷新时，直接修改指向
+     */
+    private volatile Map<String, SysSmsTemplateDO> smsTemplateCache;
+    /**
+     * 缓存短信模板的最大更新时间，用于后续的增量轮询，判断是否有更新
+     */
+    private volatile Date maxUpdateTime;
+
     @Resource
     private SysSmsTemplateMapper smsTemplateMapper;
 
@@ -55,11 +78,66 @@ public class SysSmsTemplateServiceImpl implements SysSmsTemplateService {
     @Resource
     private SmsClientFactory smsClientFactory;
 
+    @Resource
+    private SysSmsProducer smsProducer;
+
+    /**
+     * 初始化 {@link #smsTemplateCache} 缓存
+     */
+    @Override
+    @PostConstruct
+    public void initLocalCache() {
+        // 获取短信模板列表，如果有更新
+        List<SysSmsTemplateDO> smsTemplateList = this.loadSmsTemplateIfUpdate(maxUpdateTime);
+        if (CollUtil.isEmpty(smsTemplateList)) {
+            return;
+        }
+
+        // 写入缓存
+        ImmutableMap.Builder<String, SysSmsTemplateDO> builder = ImmutableMap.builder();
+        smsTemplateList.forEach(sysSmsTemplateDO -> builder.put(sysSmsTemplateDO.getCode(), sysSmsTemplateDO));
+        smsTemplateCache = builder.build();
+        assert smsTemplateList.size() > 0; // 断言，避免告警
+        maxUpdateTime = smsTemplateList.stream().max(Comparator.comparing(BaseDO::getUpdateTime)).get().getUpdateTime();
+        log.info("[initLocalCache][初始化 SmsTemplate 数量为 {}]", smsTemplateList.size());
+    }
+
+    @Scheduled(fixedDelay = SCHEDULER_PERIOD, initialDelay = SCHEDULER_PERIOD)
+    public void schedulePeriodicRefresh() {
+        initLocalCache();
+    }
+
+    /**
+     * 如果短信模板发生变化，从数据库中获取最新的全量短信模板。
+     * 如果未发生变化，则返回空
+     *
+     * @param maxUpdateTime 当前短信模板的最大更新时间
+     * @return 短信模板列表
+     */
+    private List<SysSmsTemplateDO> loadSmsTemplateIfUpdate(Date maxUpdateTime) {
+        // 第一步，判断是否要更新。
+        if (maxUpdateTime == null) { // 如果更新时间为空，说明 DB 一定有新数据
+            log.info("[loadSmsTemplateIfUpdate][首次加载全量短信模板]");
+        } else { // 判断数据库中是否有更新的短信模板
+            if (smsTemplateMapper.selectExistsByUpdateTimeAfter(maxUpdateTime) == null) {
+                return null;
+            }
+            log.info("[loadSmsTemplateIfUpdate][增量加载全量短信模板]");
+        }
+        // 第二步，如果有更新，则从数据库加载所有短信模板
+        return smsTemplateMapper.selectList();
+    }
+
     @Override
     public SysSmsTemplateDO getSmsTemplateByCode(String code) {
         return smsTemplateMapper.selectByCode(code);
     }
 
+    @Override
+    public SysSmsTemplateDO getSmsTemplateByCodeFromCache(String code) {
+        return smsTemplateCache.get(code);
+    }
+
     @Override
     public String formatSmsTemplateContent(String content, Map<String, Object> params) {
         return StrUtil.format(content, params);
@@ -84,6 +162,8 @@ public class SysSmsTemplateServiceImpl implements SysSmsTemplateService {
         template.setParams(parseTemplateContentParams(template.getContent()));
         template.setChannelCode(channelDO.getCode());
         smsTemplateMapper.insert(template);
+        // 发送刷新消息
+        smsProducer.sendSmsTemplateRefreshMessage();
         // 返回
         return template.getId();
     }
@@ -104,6 +184,8 @@ public class SysSmsTemplateServiceImpl implements SysSmsTemplateService {
         updateObj.setParams(parseTemplateContentParams(updateObj.getContent()));
         updateObj.setChannelCode(channelDO.getCode());
         smsTemplateMapper.updateById(updateObj);
+        // 发送刷新消息
+        smsProducer.sendSmsTemplateRefreshMessage();
     }
 
     @Override
@@ -112,6 +194,8 @@ public class SysSmsTemplateServiceImpl implements SysSmsTemplateService {
         this.validateSmsTemplateExists(id);
         // 更新
         smsTemplateMapper.deleteById(id);
+        // 发送刷新消息
+        smsProducer.sendSmsTemplateRefreshMessage();
     }
 
     private void validateSmsTemplateExists(Long id) {