diff --git a/yudao-framework/yudao-spring-boot-starter-biz-sms/src/main/java/cn/iocoder/yudao/framework/sms/core/client/impl/yunpian/YunpianSmsClient.java b/yudao-framework/yudao-spring-boot-starter-biz-sms/src/main/java/cn/iocoder/yudao/framework/sms/core/client/impl/yunpian/YunpianSmsClient.java
index 3cbd07df97..cad5cad2cd 100644
--- a/yudao-framework/yudao-spring-boot-starter-biz-sms/src/main/java/cn/iocoder/yudao/framework/sms/core/client/impl/yunpian/YunpianSmsClient.java
+++ b/yudao-framework/yudao-spring-boot-starter-biz-sms/src/main/java/cn/iocoder/yudao/framework/sms/core/client/impl/yunpian/YunpianSmsClient.java
@@ -2,9 +2,11 @@ package cn.iocoder.yudao.framework.sms.core.client.impl.yunpian;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.lang.Assert;
+import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.core.util.URLUtil;
 import cn.iocoder.yudao.framework.common.core.KeyValue;
+import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
 import cn.iocoder.yudao.framework.sms.core.client.SmsCommonResult;
 import cn.iocoder.yudao.framework.sms.core.client.dto.SmsReceiveRespDTO;
 import cn.iocoder.yudao.framework.sms.core.client.dto.SmsSendRespDTO;
@@ -12,7 +14,6 @@ import cn.iocoder.yudao.framework.sms.core.client.dto.SmsTemplateRespDTO;
 import cn.iocoder.yudao.framework.sms.core.client.impl.AbstractSmsClient;
 import cn.iocoder.yudao.framework.sms.core.enums.SmsTemplateAuditStatusEnum;
 import cn.iocoder.yudao.framework.sms.core.property.SmsChannelProperties;
-import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.common.annotations.VisibleForTesting;
@@ -105,6 +106,9 @@ public class YunpianSmsClient extends AbstractSmsClient {
     @Override
     protected SmsCommonResult<SmsTemplateRespDTO> doGetSmsTemplate(String apiTemplateId) throws Throwable {
         return invoke(() -> {
+            if (!NumberUtil.isNumber(apiTemplateId)) {
+                throw new IllegalArgumentException("云片的 API 模板编号必须为整数");
+            }
             Map<String, String> request = new HashMap<>();
             request.put(YunpianConstant.APIKEY, properties.getApiKey());
             request.put(YunpianConstant.TPL_ID, apiTemplateId);