diff --git a/apps/wewe-rss/2.5.0/data.yml b/apps/wewe-rss/2.5.0/data.yml
index 503bc67e..9f425621 100644
--- a/apps/wewe-rss/2.5.0/data.yml
+++ b/apps/wewe-rss/2.5.0/data.yml
@@ -37,6 +37,7 @@ additionalProperties:
       labelEn: External URL
       labelZh: 外部访问地址
       required: true
+      rule: paramExtUrl
       type: text
     - default: "fulltext"
       edit: true
diff --git a/apps/wewe-rss/latest-mysql/data.yml b/apps/wewe-rss/latest-mysql/data.yml
index 9dd3e4c7..c9a563b2 100644
--- a/apps/wewe-rss/latest-mysql/data.yml
+++ b/apps/wewe-rss/latest-mysql/data.yml
@@ -63,6 +63,7 @@ additionalProperties:
       labelEn: External URL
       labelZh: 外部访问地址
       required: true
+      rule: paramExtUrl
       type: text
     - default: "fulltext"
       edit: true
diff --git a/apps/wewe-rss/latest/data.yml b/apps/wewe-rss/latest/data.yml
index 503bc67e..9f425621 100644
--- a/apps/wewe-rss/latest/data.yml
+++ b/apps/wewe-rss/latest/data.yml
@@ -37,6 +37,7 @@ additionalProperties:
       labelEn: External URL
       labelZh: 外部访问地址
       required: true
+      rule: paramExtUrl
       type: text
     - default: "fulltext"
       edit: true