diff --git a/inside-notices/src/main/java/cn/axzo/msg/center/message/domain/param/PendingMessagePushParam.java b/inside-notices/src/main/java/cn/axzo/msg/center/message/domain/param/PendingMessagePushParam.java
index 429b0a31..61f726f7 100644
--- a/inside-notices/src/main/java/cn/axzo/msg/center/message/domain/param/PendingMessagePushParam.java
+++ b/inside-notices/src/main/java/cn/axzo/msg/center/message/domain/param/PendingMessagePushParam.java
@@ -69,6 +69,10 @@ public class PendingMessagePushParam implements Serializable {
      * 业务描述eg:流程结点描述
      */
     private String bizDesc;
+    /**
+     * 业务扩展参数,JSON字符串格式
+     */
+    private String bizExtParams;
     /**
      * 路由参数（json string）
      */
diff --git a/inside-notices/src/main/java/cn/axzo/msg/center/message/service/impl/PendingMessageNewServiceImpl.java b/inside-notices/src/main/java/cn/axzo/msg/center/message/service/impl/PendingMessageNewServiceImpl.java
index fcbc418b..fd9312ba 100644
--- a/inside-notices/src/main/java/cn/axzo/msg/center/message/service/impl/PendingMessageNewServiceImpl.java
+++ b/inside-notices/src/main/java/cn/axzo/msg/center/message/service/impl/PendingMessageNewServiceImpl.java
@@ -26,11 +26,13 @@ import cn.axzo.msg.center.service.enums.PendingMessageStateEnum;
 import cn.axzo.msg.center.service.enums.TerminalTypeEnum;
 import cn.axzo.msg.center.service.pending.request.PendingMessagePageRequest;
 import cn.axzo.msg.center.service.pending.response.PendingMessageResponse;
+import cn.axzo.msg.center.utils.JSONObjectUtil;
 import cn.axzo.msg.center.utils.MessageRouterUtil;
 import cn.axzo.msg.center.utils.OrderFieldParseUtil;
 import cn.axzo.msg.center.utils.UUIDUtil;
 import cn.azxo.framework.common.model.Page;
 import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.support.SFunction;
 import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
@@ -282,10 +284,7 @@ public class PendingMessageNewServiceImpl implements PendingMessageNewService {
         record.setOrgId(param.getOrgId());
         record.setOrgName(param.getOrgName());
         // 构建业务类信息
-        record.setBizCode(param.getBizCode());
-        record.setSubBizCode(param.getSubBizCode());
-        record.setBizDesc(param.getBizDesc());
-        record.setBizCategory(param.getBizCategory());
+        buildBusinessInfo(record, param);
         return record;
     }
 
@@ -299,17 +298,22 @@ public class PendingMessageNewServiceImpl implements PendingMessageNewService {
     }
 
     private void buildTemplateInfo(PendingMessageRecord record, MessageTemplateDTO msgTemplate, String routeParam) {
-        String title = msgTemplate.getTitle();
-        String content = msgTemplate.getContent();
-        if (StringUtils.isNotBlank(routeParam)) {
-            title = PlaceholderResolver
-                    .getDefaultResolver().resolveByMap(title, JSON.parseObject(routeParam));
-            content = PlaceholderResolver
-                    .getDefaultResolver().resolveByMap(content, JSON.parseObject(routeParam));
-        }
+        JSONObject routerParamObj = JSONObjectUtil.parseObject(routeParam);
+        String title = PlaceholderResolver
+                .getDefaultResolver().resolveByMap(msgTemplate.getTitle(), routerParamObj);
+        String content = PlaceholderResolver
+                .getDefaultResolver().resolveByMap(msgTemplate.getContent(), routerParamObj);
         record.setTitle(title);
         record.setContent(content);
         record.setTemplateCode(msgTemplate.getCode());
-        record.setRouterParams(routeParam);
+        record.setRouterParams(routerParamObj.toJSONString());
+    }
+
+    private void buildBusinessInfo(PendingMessageRecord record, PendingMessagePushParam param) {
+        record.setBizCode(param.getBizCode());
+        record.setSubBizCode(param.getSubBizCode());
+        record.setBizDesc(param.getBizDesc());
+        record.setBizCategory(param.getBizCategory());
+        record.setBizExtParam(JSONObjectUtil.checkAndReturn(param.getBizExtParams()));
     }
 }
diff --git a/inside-notices/src/main/java/cn/axzo/msg/center/utils/JSONObjectUtil.java b/inside-notices/src/main/java/cn/axzo/msg/center/utils/JSONObjectUtil.java
new file mode 100644
index 00000000..d22d57cc
--- /dev/null
+++ b/inside-notices/src/main/java/cn/axzo/msg/center/utils/JSONObjectUtil.java
@@ -0,0 +1,40 @@
+package cn.axzo.msg.center.utils;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.apache.commons.lang3.StringUtils;
+
+/**
+ * @author cold_blade
+ * @date 2023/10/13
+ * @version 1.0
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class JSONObjectUtil {
+    private static final JSONObject EMPTY_JSON_OBJ = new JSONObject();
+
+    /**
+     * 解析JSON字符串，若字符串格式不正确，抛异常
+     *
+     * @param str 待解析的字符串
+     * @return JSONObject
+     */
+    public static JSONObject parseObject(String str) {
+        if (StringUtils.isBlank(str)) {
+            return EMPTY_JSON_OBJ;
+        }
+        return JSON.parseObject(str);
+    }
+
+    /**
+     * 校验字符串是否为有效的JSON字符串，若字符串格式不正确，抛异常
+     *
+     * @param str 待校验的字符串
+     * @return 原字符串OR空的JSONObject
+     */
+    public static String checkAndReturn(String str) {
+        return parseObject(str).toJSONString();
+    }
+}
diff --git a/msg-center-api/src/main/java/cn/axzo/msg/center/service/pending/request/PendingMessagePushRequest.java b/msg-center-api/src/main/java/cn/axzo/msg/center/service/pending/request/PendingMessagePushRequest.java
index ab8182c3..ad983d88 100644
--- a/msg-center-api/src/main/java/cn/axzo/msg/center/service/pending/request/PendingMessagePushRequest.java
+++ b/msg-center-api/src/main/java/cn/axzo/msg/center/service/pending/request/PendingMessagePushRequest.java
@@ -68,6 +68,10 @@ public class PendingMessagePushRequest implements Serializable {
      * 业务描述eg:流程结点描述
      */
     private String bizDesc;
+    /**
+     * 业务扩展参数,JSON字符串格式
+     */
+    private String bizExtParams;
     /**
      * 路由参数（json string）
      */