diff --git a/dashboard/src/i18n/locales/en-US/features/persona.json b/dashboard/src/i18n/locales/en-US/features/persona.json
index 44736f449..3ae3f1af0 100644
--- a/dashboard/src/i18n/locales/en-US/features/persona.json
+++ b/dashboard/src/i18n/locales/en-US/features/persona.json
@@ -80,7 +80,8 @@
     "saveError": "Save failed",
     "deleteConfirm": "Are you sure you want to delete persona \"{id}\"? This action cannot be undone.",
     "deleteSuccess": "Deleted successfully",
-    "deleteError": "Delete failed"
+    "deleteError": "Delete failed",
+    "importExists": "Persona with ID {id} already exists."
   },
   "persona": {
     "personasTitle": "Personas",
@@ -94,7 +95,8 @@
       "moveSuccess": "Persona moved successfully",
       "moveError": "Failed to move persona",
       "exportSuccess": "Exported successfully(excluding skills and tools)",
-      "importSuccess": "Imported successfully"
+      "importSuccess": "Imported successfully",
+      "importError": "Failed to import persona"
     }
   },
   "folder": {
diff --git a/dashboard/src/i18n/locales/zh-CN/features/persona.json b/dashboard/src/i18n/locales/zh-CN/features/persona.json
index 652aff833..76004f538 100644
--- a/dashboard/src/i18n/locales/zh-CN/features/persona.json
+++ b/dashboard/src/i18n/locales/zh-CN/features/persona.json
@@ -80,7 +80,8 @@
     "saveError": "保存失败",
     "deleteConfirm": "确定要删除人格 \"{id}\" 吗？此操作不可撤销。",
     "deleteSuccess": "删除成功",
-    "deleteError": "删除失败"
+    "deleteError": "删除失败",
+    "importExists": "人格 ID {id} 已存在"
   },
   "persona": {
     "personasTitle": "人格",
@@ -94,7 +95,8 @@
       "moveSuccess": "人格移动成功",
       "moveError": "移动人格失败",
       "exportSuccess": "导出成功(不包含 Skills 和工具)",
-      "importSuccess": "导入成功"
+      "importSuccess": "导入成功",
+      "importError": "导入失败"
     }
   },
   "folder": {
diff --git a/dashboard/src/views/persona/PersonaManager.vue b/dashboard/src/views/persona/PersonaManager.vue
index 29d83e633..132069a1c 100644
--- a/dashboard/src/views/persona/PersonaManager.vue
+++ b/dashboard/src/views/persona/PersonaManager.vue
@@ -569,6 +569,12 @@ export default defineComponent({
                         throw new Error(this.tm('persona.messages.importMissingFields'));
                     }
                     
+                    // 检查ID是否已存在
+                    const existingPersonas = this.currentPersonas.map(p => p.persona_id);
+                    if (existingPersonas.includes(importData.persona_id)) {
+                        throw new Error(this.tm('messages.importExists', { id: importData.persona_id }));
+                    }
+                    
                     // 执行导入
                     await this.importPersona(importData);
                     this.showSuccess(this.tm('persona.messages.importSuccess'));