diff --git a/frontend/src/views/teachBusiness/trainingPlan/index.vue b/frontend/src/views/teachBusiness/trainingPlan/index.vue
index e8e1bd9b6..b8d32aa28 100644
--- a/frontend/src/views/teachBusiness/trainingPlan/index.vue
+++ b/frontend/src/views/teachBusiness/trainingPlan/index.vue
@@ -153,12 +153,12 @@
           </el-col>
           <el-col :span="12">
             <el-form-item label="专业代号">
-              <el-input v-model="dialog.form.zydh" :disabled="dialog.isEdit" placeholder="可留空，自动生成如 ZYSEED01" />
+              <el-input v-model="dialog.form.zydh" :disabled="dialog.isEdit" placeholder="选填，不填则自动生成" />
             </el-form-item>
           </el-col>
           <el-col :span="12">
             <el-form-item label="专业代码">
-              <el-input v-model="dialog.form.zydm" placeholder="可留空，自动生成如 ZSY001" />
+              <el-input v-model="dialog.form.zydm" placeholder="选填，不填则自动生成" />
             </el-form-item>
           </el-col>
           <el-col :span="12">
@@ -548,7 +548,6 @@ export default {
       this.dialog.title = '新建人才培养方案'
       this.dialog.isEdit = false
       this.dialog.form = this.createEmptyForm()
-      this.fillGeneratedCodes(this.dialog.form, this.tableData)
       this.dialog.visible = true
       this.$nextTick(() => {
         if (this.$refs.trainingForm) this.$refs.trainingForm.clearValidate()
@@ -568,12 +567,14 @@ export default {
         if (!valid) return
         this.dialog.submitting = true
         const isEdit = this.dialog.isEdit
-        const payload = this.cleanPayload(this.applyNotNullDefaults(this.dialog.form, isEdit))
-        const req = isEdit ? updateTraining(payload) : addTraining(payload)
-        req.then(() => {
-          this.$message.success(isEdit ? '修改成功' : '新增成功')
-          this.dialog.visible = false
-          this.fetchList()
+        this.loadAllMajors().then(records => {
+          const payload = this.cleanPayload(this.applyNotNullDefaults(this.dialog.form, isEdit, records))
+          const req = isEdit ? updateTraining(payload) : addTraining(payload)
+          return req.then(() => {
+            this.$message.success(isEdit ? '修改成功' : '新增成功')
+            this.dialog.visible = false
+            this.fetchList()
+          })
         }).catch(() => {}).finally(() => {
           this.dialog.submitting = false
         })
@@ -651,10 +652,10 @@ export default {
       }
     },
     /** 达梦非空列必须带真实值，空串会被当成 NULL；提交前补默认值。 */
-    applyNotNullDefaults(form, isEdit) {
+    applyNotNullDefaults(form, isEdit, records) {
       const payload = Object.assign({}, form)
       if (!isEdit) {
-        this.fillGeneratedCodes(payload, this.tableData)
+        this.fillGeneratedCodes(payload, records || this.tableData)
       }
       if (!payload.xnz && payload.xqs) {
         payload.xnz = String(Math.max(1, Math.round(payload.xqs / 2)))
@@ -688,6 +689,13 @@ export default {
         target.zydm = this.nextSerialFrom(records, 'zydm', 'ZSY', 3)
       }
     },
+    loadAllMajors() {
+      const pageSize = Math.max(Number(this.total) || 0, this.tableData.length, 1000)
+      return listTraining({ pageNum: 1, pageSize }).then(response => {
+        const data = response.data || {}
+        return data.records || this.tableData || []
+      }).catch(() => this.tableData || [])
+    },
     nextSerialFrom(records, field, prefix, width) {
       let max = 0
       const used = new Set()