diff --git a/src/views/mes/planMaintenance/PlanMaintenanceForm.vue b/src/views/mes/planMaintenance/PlanMaintenanceForm.vue
index 123a3444..9ef6641f 100644
--- a/src/views/mes/planMaintenance/PlanMaintenanceForm.vue
+++ b/src/views/mes/planMaintenance/PlanMaintenanceForm.vue
@@ -62,11 +62,23 @@ const ensureSubjectOptionsLoaded = async () => {
 
 const parseIds = (value: any): Array<number | string> => {
   if (!value) return []
-  if (Array.isArray(value)) return value
-  return String(value)
-    .split(',')
-    .map((v) => v.trim())
-    .filter((v) => v !== '')
+  const raw = Array.isArray(value)
+    ? value
+    : String(value)
+        .split(',')
+        .map((v) => v.trim())
+        .filter((v) => v !== '')
+
+  return raw
+    .map((v) => {
+      if (typeof v === 'number') return v
+      const s = String(v).trim()
+      if (!s) return undefined
+      const n = Number(s)
+      if (Number.isFinite(n) && String(n) === s) return n
+      return s
+    })
+    .filter((v): v is number | string => v !== undefined)
 }
 
 const initFormData = () => ({
@@ -98,7 +110,7 @@ const open = async (type: 'create' | 'update', row?: Partial<PlanMaintenanceVO>)
       planName: (row.planName as any) ?? '',
       planType: (row.planType as any) ?? undefined,
       description: (row.description as any) ?? '',
-      subjectIds: parseIds((row as any).subjectIdS)
+      subjectIds: parseIds((row as any).subjectIds ?? (row as any).subjectIdS)
     }
   }
 }