diff --git a/settings.yaml b/settings.yaml
index 989ebb8..797b041 100644
--- a/settings.yaml
+++ b/settings.yaml
@@ -88,12 +88,6 @@ spec:
               value: true
             - label: 隐藏
               value: false
-        - $formkit: text
-          label: 头像服务镜像地址
-          help: '用于替换头像服务镜像地址，无须输入结尾的"/"。'
-          name: providerMirror
-          value: "https://cravatar.cn"
-          validation: required
     - group: basic_style
       label: '基础样式'
       formSchema:
@@ -922,6 +916,12 @@ spec:
           label:  侧边栏最近评论-展示评论数量
           placeholder: 请输入数量数值
           value: 5
+        - $formkit: text
+          label: 侧边栏最近评论-邮箱头像服务地址
+          help: '邮箱头像服务地址，支持参考文档自定义部分参数，其中“{hash}”表示邮箱Hash值。'
+          name: providerMirror
+          value: "https://cravatar.cn/avatar/{hash}"
+          validation: required
         - $formkit: radio
           name: categories_more
           label:  侧边栏分类-显示”更多”按钮
diff --git a/templates/widget/recent_comments.html b/templates/widget/recent_comments.html
index 15d8294..92f476c 100644
--- a/templates/widget/recent_comments.html
+++ b/templates/widget/recent_comments.html
@@ -13,7 +13,7 @@
                      th:with="
                      emailHash = ${comment.spec.owner.annotations != null ? comment.spec.owner.annotations['email-hash'] : ''},
                      userA = ${comment.owner.avatar},
-                     img = ${#strings.isEmpty(userA) && !#strings.isEmpty(emailHash) ? theme.config.basic_info.providerMirror+'/avatar/'+emailHash : userA}">
+                     img = ${#strings.isEmpty(userA) && !#strings.isEmpty(emailHash) ? #strings.replace(theme.config.sidebar.providerMirror, '{hash}', emailHash) : userA}">
                     <img width="35" height="35" th:unless="${#strings.isEmpty(img)}" class="avatar" th:src="${img}"
                          th:alt="${comment.owner.displayName}">
                     <div th:if="${#strings.isEmpty(img)}" class="no-avatar">