diff --git a/apps/web-antd/src/views/bpm/processInstance/detail/modules/operation-button.vue b/apps/web-antd/src/views/bpm/processInstance/detail/modules/operation-button.vue
index 12c6d9049..b955d7a24 100644
--- a/apps/web-antd/src/views/bpm/processInstance/detail/modules/operation-button.vue
+++ b/apps/web-antd/src/views/bpm/processInstance/detail/modules/operation-button.vue
@@ -354,7 +354,8 @@ async function initNextAssigneesFormField() {
           BpmCandidateStrategyEnum.START_USER_SELECT ===
             node.candidateStrategy) ||
         // 情况二：当前节点是审批人自选
-        BpmCandidateStrategyEnum.APPROVE_USER_SELECT === node.candidateStrategy
+        (isEmpty(node.candidateUsers) &&
+        BpmCandidateStrategyEnum.APPROVE_USER_SELECT === node.candidateStrategy)
       ) {
         nextAssigneesActivityNode.value.push(node);
       }
@@ -396,7 +397,7 @@ function validateNextAssignees() {
   }
   // 如果需要自选审批人，则校验每个节点是否都已配置审批人
   for (const item of nextAssigneesActivityNode.value) {
-    if (isEmpty(approveReasonForm.nextAssignees[item.id])) {
+    if (isEmpty(item.candidateUsers) && isEmpty(approveReasonForm.nextAssignees[item.id])) {
       message.warning('下一个节点的审批人不能为空!');
       return false;
     }
@@ -875,9 +876,10 @@ defineExpose({ loadTodoTask });
                 name="nextAssignees"
                 v-if="nextAssigneesActivityNode.length > 0"
               >
-                <div class="-mb-8 -mt-3.5 ml-2.5">
+                <div class="ml-2.5 mt-2.5">
                   <ProcessInstanceTimeline
                     ref="nextAssigneesTimelineRef"
+                    embedded
                     :activity-nodes="nextAssigneesActivityNode"
                     :show-status-icon="false"
                     :enable-approve-user-select="true"
diff --git a/apps/web-antd/src/views/bpm/processInstance/detail/modules/time-line.vue b/apps/web-antd/src/views/bpm/processInstance/detail/modules/time-line.vue
index 319888eda..79af5d178 100644
--- a/apps/web-antd/src/views/bpm/processInstance/detail/modules/time-line.vue
+++ b/apps/web-antd/src/views/bpm/processInstance/detail/modules/time-line.vue
@@ -23,12 +23,14 @@ defineOptions({ name: 'BpmProcessInstanceTimeline' });
 const props = withDefaults(
   defineProps<{
     activityNodes: BpmProcessInstanceApi.ApprovalNodeInfo[]; // 审批节点信息
+    embedded?: boolean; // 是否嵌入表单使用（缩小顶部内边距，避免与表单项 label 间距过大）
     enableApproveUserSelect?: boolean; // 是否开启审批人自选功能
     showStatusIcon?: boolean; // 是否显示头像右下角状态图标
   }>(),
   {
     showStatusIcon: true, // 默认值为 true
     enableApproveUserSelect: false, // 默认值为 false
+    embedded: false, // 默认值为 false
   },
 );
 
@@ -246,7 +248,7 @@ defineExpose({ setCustomApproveUsers, batchSetCustomApproveUsers });
 
 <template>
   <div>
-    <Timeline class="pt-5">
+    <Timeline :class="embedded ? 'pt-2' : 'pt-5'">
       <!-- 遍历每个审批节点 -->
       <Timeline.Item
         v-for="(activity, index) in activityNodes"
diff --git a/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/operation-button.vue b/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/operation-button.vue
index 5ceef878c..fe0c58ccf 100644
--- a/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/operation-button.vue
+++ b/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/operation-button.vue
@@ -335,7 +335,8 @@ async function initNextAssigneesFormField() {
           BpmCandidateStrategyEnum.START_USER_SELECT ===
             node.candidateStrategy) ||
         // 情况二：当前节点是审批人自选
-        BpmCandidateStrategyEnum.APPROVE_USER_SELECT === node.candidateStrategy
+        (isEmpty(node.candidateUsers) &&
+        BpmCandidateStrategyEnum.APPROVE_USER_SELECT === node.candidateStrategy)
       ) {
         nextAssigneesActivityNode.value.push(node);
       }
@@ -377,7 +378,7 @@ function validateNextAssignees() {
   }
   // 如果需要自选审批人，则校验每个节点是否都已配置审批人
   for (const item of nextAssigneesActivityNode.value) {
-    if (isEmpty(approveReasonForm.nextAssignees[item.id])) {
+    if (isEmpty(item.candidateUsers) && isEmpty(approveReasonForm.nextAssignees[item.id])) {
       message.warning('下一个节点的审批人不能为空!');
       return false;
     }
@@ -858,9 +859,10 @@ defineExpose({ loadTodoTask });
                 name="nextAssignees"
                 v-if="nextAssigneesActivityNode.length > 0"
               >
-                <div class="-mb-8 -mt-3.5 ml-2.5">
+                <div class="ml-2.5">
                   <ProcessInstanceTimeline
                     ref="nextAssigneesTimelineRef"
+                    embedded
                     :activity-nodes="nextAssigneesActivityNode"
                     :show-status-icon="false"
                     :enable-approve-user-select="true"
diff --git a/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/time-line.vue b/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/time-line.vue
index 86c980e86..e33f24f54 100644
--- a/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/time-line.vue
+++ b/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/time-line.vue
@@ -30,12 +30,14 @@ defineOptions({ name: 'BpmProcessInstanceTimeline' });
 const props = withDefaults(
   defineProps<{
     activityNodes: BpmProcessInstanceApi.ApprovalNodeInfo[]; // 审批节点信息
+    embedded?: boolean; // 是否嵌入表单使用（缩小顶部内边距，避免与表单项 label 间距过大）
     enableApproveUserSelect?: boolean; // 是否开启审批人自选功能
     showStatusIcon?: boolean; // 是否显示头像右下角状态图标
   }>(),
   {
     showStatusIcon: true, // 默认值为 true
     enableApproveUserSelect: false, // 默认值为 false
+    embedded: false, // 默认值为 false
   },
 );
 
@@ -247,7 +249,7 @@ defineExpose({ setCustomApproveUsers, batchSetCustomApproveUsers });
 
 <template>
   <div>
-    <Timeline class="pt-5">
+    <Timeline :class="embedded ? 'pt-2' : 'pt-5'">
       <!-- 遍历每个审批节点 -->
       <TimelineItem
         v-for="(activity, index) in activityNodes"
diff --git a/apps/web-ele/src/views/bpm/processInstance/detail/modules/operation-button.vue b/apps/web-ele/src/views/bpm/processInstance/detail/modules/operation-button.vue
index b84809e35..e76cd6e54 100644
--- a/apps/web-ele/src/views/bpm/processInstance/detail/modules/operation-button.vue
+++ b/apps/web-ele/src/views/bpm/processInstance/detail/modules/operation-button.vue
@@ -364,7 +364,8 @@ async function initNextAssigneesFormField() {
           BpmCandidateStrategyEnum.START_USER_SELECT ===
             node.candidateStrategy) ||
         // 情况二：当前节点是审批人自选
-        BpmCandidateStrategyEnum.APPROVE_USER_SELECT === node.candidateStrategy
+        (isEmpty(node.candidateUsers) &&
+        BpmCandidateStrategyEnum.APPROVE_USER_SELECT === node.candidateStrategy)
       ) {
         nextAssigneesActivityNode.value.push(node);
       }
@@ -406,7 +407,7 @@ function validateNextAssignees() {
   }
   // 如果需要自选审批人，则校验每个节点是否都已配置审批人
   for (const item of nextAssigneesActivityNode.value) {
-    if (isEmpty(approveReasonForm.nextAssignees[item.id])) {
+    if (isEmpty(item.candidateUsers) && isEmpty(approveReasonForm.nextAssignees[item.id])) {
       ElMessage.warning('下一个节点的审批人不能为空!');
       return false;
     }
@@ -881,9 +882,10 @@ defineExpose({ loadTodoTask });
               prop="nextAssignees"
               v-if="nextAssigneesActivityNode.length > 0"
             >
-              <div class="-mb-8 -mt-3.5 ml-2.5">
+              <div>
                 <ProcessInstanceTimeline
                   ref="nextAssigneesTimelineRef"
+                  embedded
                   :activity-nodes="nextAssigneesActivityNode"
                   :show-status-icon="false"
                   :enable-approve-user-select="true"
diff --git a/apps/web-ele/src/views/bpm/processInstance/detail/modules/time-line.vue b/apps/web-ele/src/views/bpm/processInstance/detail/modules/time-line.vue
index 73fccc9f3..e53c62629 100644
--- a/apps/web-ele/src/views/bpm/processInstance/detail/modules/time-line.vue
+++ b/apps/web-ele/src/views/bpm/processInstance/detail/modules/time-line.vue
@@ -30,12 +30,14 @@ defineOptions({ name: 'BpmProcessInstanceTimeline' });
 const props = withDefaults(
   defineProps<{
     activityNodes: BpmProcessInstanceApi.ApprovalNodeInfo[]; // 审批节点信息
+    embedded?: boolean; // 是否嵌入表单使用（缩小顶部内边距，避免与表单项 label 间距过大）
     enableApproveUserSelect?: boolean; // 是否开启审批人自选功能
     showStatusIcon?: boolean; // 是否显示头像右下角状态图标
   }>(),
   {
     showStatusIcon: true, // 默认值为 true
     enableApproveUserSelect: false, // 默认值为 false
+    embedded: false, // 默认值为 false
   },
 );
 
@@ -253,7 +255,7 @@ defineExpose({ setCustomApproveUsers, batchSetCustomApproveUsers });
 
 <template>
   <div>
-    <ElTimeline class="pt-5">
+    <ElTimeline :class="embedded ? 'pt-2' : 'pt-5'">
       <!-- 遍历每个审批节点 -->
       <ElTimelineItem
         v-for="(activity, index) in activityNodes"