feat: 优化钉钉消息模板渲染逻辑，增加异常处理和日志记录

src/main/java/cn/lihongjie/coal/dingtalkBot/service/DingtalkBotService.java

@@ -16,6 +16,8 @@ import cn.lihongjie.coal.exception.BizException;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 
+import freemarker.core.InvalidReferenceException;
+
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 
@@ -116,29 +118,44 @@ public class DingtalkBotService extends BaseService<DingtalkBotEntity, DingtalkB
         HashMap<Object, Object> body = new HashMap<>();
 
         body.put("msgtype", "markdown");
-        body.put(
-                "markdown",
-                new HashMap<String, Object>() {
-                    {
-                        put(
-                                "title",
-                                FreeMakerUtils.render(
-                                        dingtalkBotTemplateEntity.getTitle(), params));
-                        put(
-                                "text",
-                                FreeMakerUtils.render(
-                                        dingtalkBotTemplateEntity.getTemplate(), params));
-                    }
-                });
 
+        try {
+            String content = FreeMakerUtils.render(dingtalkBotTemplateEntity.getTemplate(), params);
+
+            String title = FreeMakerUtils.render(dingtalkBotTemplateEntity.getTitle(), params);
+
+            body.put(
+                    "markdown",
+                    new HashMap<String, Object>() {
+                        {
+                            put("title", title);
+
+                            put("text", content);
+                        }
+                    });
+
+        } catch (Exception referenceException) {
+
+            if (referenceException instanceof InvalidReferenceException ee) {
+
+                log.info(
+                        "模板渲染失败, 模板: {} 参数: {} 表达式：{}",
+                        dingtalkBotTemplateEntity,
+                        params,
+                        ee.getBlamedExpressionString(),
+                        referenceException);
+
+                throw new BizException("模板渲染失败, 请检查模板参数是否正确 " + ee.getBlamedExpressionString());
+            } else {
+                throw referenceException;
+            }
+        }
         try {
 
             String postBody = objectMapper.writeValueAsString(body);
-            String response =
-                    HttpUtil.post(
-                            dingtalkBotEntity.getUrl(), postBody);
+            String response = HttpUtil.post(dingtalkBotEntity.getUrl(), postBody);
 
-            log.info("发送钉钉消息成功, 请求: {} 返回结果: {} ", postBody , response);
+            log.info("发送钉钉消息成功, 请求: {} 返回结果: {} ", postBody, response);
 
             sendMsgResult.setResponse(response);