diff --git a/settings.yaml b/settings.yaml
index 511b928c..5b0053c9 100644
--- a/settings.yaml
+++ b/settings.yaml
@@ -685,6 +685,13 @@ spec:
           label: 文章使用随机封面图
           value: false
           help: 文章是否使用随机图的设置随机获取图片
+        - $formkit: text
+          if: "$get(rimage_cover_open).value == true"
+          name: rimage_custom_param_name
+          label: 随机图 API 资源标识变量
+          validation: "required"
+          value: postid
+          help: 随机图 API 资源标识变量，默认为 postid，可根据随机图 API 的需要自行设置。
         - $formkit: checkbox
           name: rimage_cover_sheet_open
           id: rimage_cover_sheet_open
diff --git a/templates/macro/content-thumb.html b/templates/macro/content-thumb.html
index b69e9291..d20104cf 100644
--- a/templates/macro/content-thumb.html
+++ b/templates/macro/content-thumb.html
@@ -88,7 +88,7 @@ <h1 th:text="${post.spec.title}"></h1>
         />
         <img
           th:if="${#strings.isEmpty(post.spec.cover)} and ${theme.config.random_image.rimage_cover_open} and ${#annotations.getOrDefault(post, 'randomImage', true)} and ${not #strings.isEmpty(theme.config.random_image.rimage_url)}"
-          th:with="randomUrl = |${theme.config.random_image.rimage_url}?postid=${post.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
+          th:with="randomUrl = |${theme.config.random_image.rimage_url}?${theme.config.random_image.rimage_custom_param_name}=${post.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
           th:src="${theme.config.random_image.rimage_cover_lqip == 'loading' ? #theme.assets('/images/load/orange.progress-bar-stripe-loader.svg') : (randomUrl + (#strings.isEmpty(theme.config.random_image.rimage_cover_lqip_params) ? '' : '&' + theme.config.random_image.rimage_cover_lqip_params))}"
           th:data-srcset="|
           ${randomUrl}&th=640 640w,
diff --git a/templates/macro/content.html b/templates/macro/content.html
index 92d194d3..8ea43297 100644
--- a/templates/macro/content.html
+++ b/templates/macro/content.html
@@ -35,7 +35,7 @@
       />
       <img
         th:if="${#strings.isEmpty(post.spec.cover)} and ${theme.config.random_image.rimage_cover_open} and ${#annotations.getOrDefault(post, 'randomImage', true)} and ${not #strings.isEmpty(theme.config.random_image.rimage_url)}"
-        th:with="randomUrl = |${theme.config.random_image.rimage_url}?postid=${post.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
+        th:with="randomUrl = |${theme.config.random_image.rimage_url}?${theme.config.random_image.rimage_custom_param_name}=${post.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
         th:src="${theme.config.random_image.rimage_cover_lqip == 'loading' ? #theme.assets('/images/load/orange.progress-bar-stripe-loader.svg') : (randomUrl + (#strings.isEmpty(theme.config.random_image.rimage_cover_lqip_params) ? '' : '&' + theme.config.random_image.rimage_cover_lqip_params))}"
         th:data-srcset="|
         ${randomUrl}&th=150 150w,
diff --git a/templates/macro/page-header.html b/templates/macro/page-header.html
index 14e7f515..7a444d17 100644
--- a/templates/macro/page-header.html
+++ b/templates/macro/page-header.html
@@ -32,7 +32,7 @@
         <!--/* 随机图 */-->
         <th:block
           th:if="${#strings.isEmpty(frontCover) && randomCoverAvailable}"
-          th:with="randomImage = |${theme.config.random_image.rimage_url}?${_templateId}id=${id != null ? id : extension.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
+          th:with="randomImage = |${theme.config.random_image.rimage_url}?${_templateId}id=${id != null ? id : extension.metadata.name}&${theme.config.random_image.rimage_custom_param_name}=${id != null ? id : extension.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
         >
           <img
             th:src="${theme.config.random_image.rimage_cover_lqip == 'loading' ? #theme.assets('/images/load/orange.progress-bar-stripe-loader.svg') : (randomImage + (#strings.isEmpty(theme.config.random_image.rimage_cover_lqip_params) ? '' : '&' + theme.config.random_image.rimage_cover_lqip_params))}"
diff --git a/templates/module/post-pagination.html b/templates/module/post-pagination.html
index 2c4e38fb..fca98d32 100644
--- a/templates/module/post-pagination.html
+++ b/templates/module/post-pagination.html
@@ -23,7 +23,7 @@
           />
           <img
             th:if="${#strings.isEmpty(postCursor.previous.spec.cover)} and ${theme.config.random_image.rimage_cover_open} and ${#annotations.getOrDefault(post, 'randomImage', true)} and ${not #strings.isEmpty(theme.config.random_image.rimage_url)}"
-            th:with="randomUrl = |${theme.config.random_image.rimage_url}?postid=${postCursor.previous.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
+            th:with="randomUrl = |${theme.config.random_image.rimage_url}?${theme.config.random_image.rimage_custom_param_name}=${postCursor.previous.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
             th:src="${theme.config.random_image.rimage_cover_lqip == 'loading' ? #theme.assets('/images/load/orange.progress-bar-stripe-loader.svg') : (randomUrl + (#strings.isEmpty(theme.config.random_image.rimage_cover_lqip_params) ? '' : '&' + theme.config.random_image.rimage_cover_lqip_params))}"
             th:data-srcset="|
             ${randomUrl}&th=400 400w,
@@ -75,7 +75,7 @@ <h3 th:text="${postCursor.previous.spec.title}"></h3>
           />
           <img
             th:if="${#strings.isEmpty(postCursor.next.spec.cover)} and ${theme.config.random_image.rimage_cover_open} and ${#annotations.getOrDefault(post, 'randomImage', true)} and ${not #strings.isEmpty(theme.config.random_image.rimage_url)}"
-            th:with="randomUrl = |${theme.config.random_image.rimage_url}?postid=${postCursor.next.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
+            th:with="randomUrl = |${theme.config.random_image.rimage_url}?${theme.config.random_image.rimage_custom_param_name}=${postCursor.next.metadata.name}&type=url&itype=${theme.config.random_image.rimage_cover_itype}${theme.config.random_image.rimage_cover_itype != 'image' ? '&id=' + theme.config.random_image.rimage_cover_id : ''}${#strings.isEmpty(theme.config.random_image.rimage_other_params) ? '' : '&' + theme.config.random_image.rimage_other_params}|"
             th:src="${theme.config.random_image.rimage_cover_lqip == 'loading' ? #theme.assets('/images/load/orange.progress-bar-stripe-loader.svg') : (randomUrl + (#strings.isEmpty(theme.config.random_image.rimage_cover_lqip_params) ? '' : '&' + theme.config.random_image.rimage_cover_lqip_params))}"
             th:data-srcset="|
           ${randomUrl}&th=400 400w,