diff --git a/inside-notices/src/main/java/cn/axzo/msg/center/utils/MessageRouterUtil.java b/inside-notices/src/main/java/cn/axzo/msg/center/utils/MessageRouterUtil.java
index 658c47f1..05afda6b 100644
--- a/inside-notices/src/main/java/cn/axzo/msg/center/utils/MessageRouterUtil.java
+++ b/inside-notices/src/main/java/cn/axzo/msg/center/utils/MessageRouterUtil.java
@@ -122,6 +122,9 @@ public final class MessageRouterUtil {
     private static String concatRouterParam(String originalUrl, JSONObject routerParam) {
         StringBuilder paramBuilder = new StringBuilder();
         for (Map.Entry<String, Object> entry : routerParam.entrySet()) {
+            if (originalUrl.contains(entry.getKey() + "=")) {
+                continue;
+            }
             paramBuilder.append("&").append(entry.getKey()).append("=").append(entry.getValue());
         }
         if (!originalUrl.contains("?")) {