diff --git a/src/views/modules/erf/components/expApplyForm.vue b/src/views/modules/erf/components/expApplyForm.vue
index 4fccf27..cc73c61 100644
--- a/src/views/modules/erf/components/expApplyForm.vue
+++ b/src/views/modules/erf/components/expApplyForm.vue
@@ -276,6 +276,7 @@ export default {
         productType: '',
         quantityReq: '',
         expectedFinishDate: '',
+        projectLeaderId: this.$store.state.user.id,
         projectLeaderName: this.$store.state.user.name,
         projectLeader: this.$store.state.user.userDisplay,
         pjmLeaderUserId: null,
@@ -335,7 +336,9 @@ export default {
     this.loadBuList()
     if (this.applyData && this.applyData.applyNo) {
       this.saveHeaderData = {
+        ...this.saveHeaderData,
         ...this.applyData,
+        projectLeaderId: this.applyData.projectLeaderId || null,
         originalApplyNo: this.applyData.applyNo
       }
       this.isEdit = true
@@ -466,6 +469,9 @@ export default {
      */
     getBaseData(val) {
       if (this.tagNo === 103) {
+        const leaderIdRaw = val.user_id !== undefined ? val.user_id : val.userId
+        const leaderId = Number(leaderIdRaw)
+        this.saveHeaderData.projectLeaderId = Number.isFinite(leaderId) ? leaderId : null
         this.saveHeaderData.projectLeaderName = val.username
         this.saveHeaderData.projectLeader = val.user_display
       }
diff --git a/src/views/modules/erf/components/expTriConfirm.vue b/src/views/modules/erf/components/expTriConfirm.vue
index 67582d7..9f0f22f 100644
--- a/src/views/modules/erf/components/expTriConfirm.vue
+++ b/src/views/modules/erf/components/expTriConfirm.vue
@@ -523,6 +523,18 @@ export default {
     experimentType: {
       type: String,
       default: ''
+    },
+    projectLeaderId: {
+      type: [Number, String],
+      default: null
+    },
+    projectLeader: {
+      type: String,
+      default: ''
+    },
+    projectLeaderName: {
+      type: String,
+      default: ''
     }
   },
 
@@ -722,6 +734,31 @@ export default {
       return previousProcess && previousProcess.confirmStatus === '已确认'
     },
 
+    /**
+     * 规范化用户ID（必须是数字）
+     */
+    normalizeUserId(value) {
+      if (value === null || value === undefined || value === '') {
+        return null
+      }
+      const id = Number(value)
+      return Number.isFinite(id) ? id : null
+    },
+
+    /**
+     * 默认技术负责人姓名：试验负责人姓名
+     */
+    getDefaultTechApproverName() {
+      return (this.projectLeader || '').trim()
+    },
+
+    /**
+     * 默认技术负责人ID：试验负责人ID
+     */
+    getDefaultTechApproverUserId() {
+      return this.normalizeUserId(this.projectLeaderId)
+    },
+
     /**
      * 打开新增弹框
      */
@@ -734,8 +771,8 @@ export default {
         prodApproverUserId: null,
         qaApproverName: '',
         qaApproverUserId: null,
-        techApproverName: '',
-        techApproverUserId: null,
+        techApproverName: this.getDefaultTechApproverName(),
+        techApproverUserId: this.getDefaultTechApproverUserId(),
         remark: ''
       }
       this.processDialogVisible = true
@@ -818,8 +855,8 @@ export default {
             prodApproverUserId: matchResult.template.prodApproverUserId,
             qaApproverName: matchResult.template.qaApproverName,
             qaApproverUserId: matchResult.template.qaApproverUserId,
-            techApproverName: matchResult.template.techApproverName,
-            techApproverUserId: matchResult.template.techApproverUserId,
+            techApproverName: matchResult.template.techApproverName || this.getDefaultTechApproverName(),
+            techApproverUserId: this.normalizeUserId(matchResult.template.techApproverUserId) || this.getDefaultTechApproverUserId(),
             remark: matchResult.template.remark || ''
           }
         }
@@ -831,8 +868,8 @@ export default {
           prodApproverUserId: null,
           qaApproverName: '',
           qaApproverUserId: null,
-          techApproverName: '',
-          techApproverUserId: null,
+          techApproverName: this.getDefaultTechApproverName(),
+          techApproverUserId: this.getDefaultTechApproverUserId(),
           remark: ''
         }
       })
@@ -978,8 +1015,8 @@ export default {
         prodApproverUserId: row.prodApproverUserId || null,
         qaApproverName: row.qaApproverName || '',
         qaApproverUserId: row.qaApproverUserId || null,
-        techApproverName: row.techApproverName || '',
-        techApproverUserId: row.techApproverUserId || null,
+        techApproverName: row.techApproverName || this.getDefaultTechApproverName(),
+        techApproverUserId: this.normalizeUserId(row.techApproverUserId) || this.getDefaultTechApproverUserId(),
         remark: row.remark || ''
       }
       this.processDialogVisible = true
@@ -1048,8 +1085,8 @@ export default {
         prodApproverUserId: row.prodApproverUserId || null,
         qaApproverName: row.qaApproverName || '',
         qaApproverUserId: row.qaApproverUserId || null,
-        techApproverName: row.techApproverName || '',
-        techApproverUserId: row.techApproverUserId || null,
+        techApproverName: row.techApproverName || this.getDefaultTechApproverName(),
+        techApproverUserId: this.normalizeUserId(row.techApproverUserId) || this.getDefaultTechApproverUserId(),
         remark: row.remark || ''
       }
       this.processDialogVisible = true
@@ -1094,8 +1131,8 @@ export default {
       this.processForm.prodApproverUserId = row.prodApproverUserId || null
       this.processForm.qaApproverName = row.qaApproverName || ''
       this.processForm.qaApproverUserId = row.qaApproverUserId || null
-      this.processForm.techApproverName = row.techApproverName || ''
-      this.processForm.techApproverUserId = row.techApproverUserId || null
+      this.processForm.techApproverName = row.techApproverName || this.getDefaultTechApproverName()
+      this.processForm.techApproverUserId = this.normalizeUserId(row.techApproverUserId) || this.getDefaultTechApproverUserId()
       this.processForm.remark = row.remark || ''
 
       this.templateDialogVisible = false
diff --git a/src/views/modules/erf/expApplyList.vue b/src/views/modules/erf/expApplyList.vue
index e39f6b9..45aec51 100644
--- a/src/views/modules/erf/expApplyList.vue
+++ b/src/views/modules/erf/expApplyList.vue
@@ -135,18 +135,13 @@
 
       <el-table-column
         label="操作"
-        width="100"
+        width="110"
         align="center"
         header-align="center">
         <template slot-scope="scope">
-          <a v-if="scope.row.status === '草稿' || scope.row.status === '已驳回'"
-            @click="editApply(scope.row)">修改</a>
-          <a
-            v-if="scope.row.status === '草稿' || scope.row.status === '已驳回'"
-            @click="submitApply(scope.row)">{{ scope.row.status === '已驳回' ? '重新下达' : '下达' }}</a>
-          <a
-            v-if="showSampleConfirmBtn(scope.row)"
-            @click="openSampleConfirm(scope.row)">样品确认</a>
+          <a v-if="scope.row.status === '草稿' || scope.row.status === '已驳回'" @click="editApply(scope.row)">修改</a>
+          <a v-if="scope.row.status === '草稿' || scope.row.status === '已驳回'" @click="submitApply(scope.row)">{{ scope.row.status === '已驳回' ? '重新下达' : '下达' }}</a>
+          <a v-if="showSampleConfirmBtn(scope.row)" @click="openSampleConfirm(scope.row)">样品确认</a>
         </template>
       </el-table-column>
       <el-table-column
@@ -314,6 +309,9 @@
           :apply-no="currentRow.applyNo"
           :bu-no="currentRow.buNo"
           :experiment-type="currentRow.experimentType"
+          :project-leader-id="currentRow.projectLeaderId"
+          :project-leader="currentRow.projectLeader"
+          :project-leader-name="currentRow.projectLeaderName"
           :height="detailHeight">
         </exp-tri-confirm>
         <div v-else class="empty-tip">