diff --git a/src/components/data/complaintformdialog.vue b/src/components/data/complaintformdialog.vue
index 31c916d..f7b4175 100644
--- a/src/components/data/complaintformdialog.vue
+++ b/src/components/data/complaintformdialog.vue
@@ -66,13 +66,13 @@
         <!-- 编号 + 受理时间 -->
         <el-row>
           <el-col :span="12">
-            <el-form-item label="编号" prop="originId">
+            <el-form-item label="编号" prop="originId" :required="!isLeaderAssign">
               <el-input
                   v-model="formData.originId"
-                  :placeholder="formData.originIdSkip ? '无' : '请输入编号'"
+                  :placeholder="isLeaderAssign && formData.originIdSkip ? '无' : '请输入编号'"
                   :disabled="mode === 'edit' || formData.originIdSkip"
               >
-                <template #append>
+                <template #append v-if="isLeaderAssign">
                   <el-checkbox
                       v-model="formData.originIdSkip"
                       @change="(v) => v && (formData.originId = '')"
@@ -368,14 +368,14 @@
           <!-- 编号 + 登记时间 -->
           <el-row>
             <el-col :span="12">
-              <el-form-item label="编号" prop="originId">
-                <el-input
-                    v-model="formData.originId"
-                    :placeholder="formData.originIdSkip ? '无' : '请输入编号'"
-                    :disabled="mode === 'edit' || formData.originIdSkip"
-                >
-                  <template #append>
-                    <el-checkbox
+                <el-form-item label="编号" prop="originId" :required="!isLeaderAssign">
+                  <el-input
+                      v-model="formData.originId"
+                      :placeholder="isLeaderAssign && formData.originIdSkip ? '无' : '请输入编号'"
+                      :disabled="mode === 'edit' || formData.originIdSkip"
+                  >
+                    <template #append v-if="isLeaderAssign">
+                      <el-checkbox
                         v-model="formData.originIdSkip"
                         @change="(v) => v && (formData.originId = '')"
                         :disabled="mode === 'edit'"
@@ -682,6 +682,11 @@ const catchStore = useCatchStore();
 // 内部表单数据
 const formData = ref(createEmptyForm());
 
+const LEADER_ASSIGN_SOURCE = 'leader_explain';
+const isLeaderAssign = computed(
+    () => String(formData.value.sourcePath?.[0] || '') === LEADER_ASSIGN_SOURCE
+);
+
 function createEmptyForm() {
   return {
     // 来源
@@ -735,6 +740,18 @@ const rules = {
     {required: true, message: "请选择来源（一级/二级）", trigger: "change"},
   ],
   discoveryTime: [{required: true, message: '请选择受理时间', trigger: 'change'}],
+  originId: [
+    {
+      validator: (_rule, value, callback) => {
+        if (isLeaderAssign.value || String(value || '').trim()) {
+          callback();
+          return;
+        }
+        callback(new Error('请输入编号'));
+      },
+      trigger: ['blur', 'change'],
+    },
+  ],
     involveDepartId: [{required: true, message: '请选择涉及单位', trigger: 'change'}],
   thingDesc: [{required: true, message: '请输入来件内容', trigger: 'blur'}],
   involveProblemIdList: [{required: true, message: '请选择涉嫌问题', trigger: 'change'}],
@@ -1069,9 +1086,15 @@ function handleChangeHostLevel(val) {
 watch(
     () => formData.value.sourcePath,
     (path) => {
-      if (!path || path.length === 0) return;
+      if (!path || path.length === 0) {
+        formData.value.originIdSkip = false;
+        return;
+      }
       formData.value.sourceTable = (path && path[0]) || "";
       formData.value.sourceTableSubOne = (path && path[1]) || "";
+      if (String(path[0] || '') !== LEADER_ASSIGN_SOURCE) {
+        formData.value.originIdSkip = false;
+      }
     },
     { deep: true }
 );