diff --git a/apps/desktop/src/components/nacos/NacosAdminConsole.vue b/apps/desktop/src/components/nacos/NacosAdminConsole.vue
index 6a579f7d7d..8e2d5056d4 100644
--- a/apps/desktop/src/components/nacos/NacosAdminConsole.vue
+++ b/apps/desktop/src/components/nacos/NacosAdminConsole.vue
@@ -15,10 +15,11 @@ import NacosConfigHistoryDialog from "@/components/nacos/NacosConfigHistoryDialo
 import { useToast } from "@/composables/useToast";
 import { useI18n } from "vue-i18n";
 import * as api from "@/lib/api";
-import { buildNacosConfigCopy, buildNacosConfigDeleteConfirm, buildNacosConfigExport, buildNacosConfigHistoryRollbackConfirm, buildNacosInstanceConfirm, createNacosSaveAsCopy } from "@/lib/nacosAdmin";
-import { copyToClipboard } from "@/lib/clipboard";
+import { buildNacosConfigDeleteConfirm, buildNacosConfigExportFileName, buildNacosConfigHistoryRollbackConfirm, buildNacosInstanceConfirm, createNacosSaveAsCopy, resolveNacosConfigCopyText } from "@/lib/nacosAdmin";
+import { copyToClipboard, readTextFromClipboard } from "@/lib/clipboard";
 import { safeLocalStorageGet, safeLocalStorageSet } from "@/lib/safeStorage";
 import { editorFontTheme, loadEditorTheme } from "@/lib/editorThemes";
+import { isTauriRuntime } from "@/lib/tauriRuntime";
 import { useSettingsStore } from "@/stores/settingsStore";
 import { useTheme } from "@/composables/useTheme";
 import type { NacosConfigHistoryItem, NacosConfigItem, NacosConfigKey, NacosConnectionInfo, NacosInstanceInfo, NacosServiceInfo } from "@/types/nacos";
@@ -83,6 +84,7 @@ const configFormatOptions = ["text", "json", "xml", "yaml", "html", "properties"
 const configEditorHost = ref<HTMLDivElement | null>(null);
 const configEditorView = shallowRef<EditorView | null>(null);
 const configSearchPanelRef = ref<InstanceType<typeof EditorSearchPanel>>();
+const knownConfigFormats = ref<Record<string, string>>({});
 const configEditorTheme = new Compartment();
 const configEditorFontTheme = new Compartment();
 const configEditorLanguage = new Compartment();
@@ -276,24 +278,37 @@ function normalizeConfigFormat(value?: string): string {
   return normalized;
 }
 
-function mergeSelectedConfigFormat(items: NacosConfigItem[]): NacosConfigItem[] {
-  const selected = selectedConfig.value;
-  const selectedKey = selectedConfigOriginalKey.value;
-  if (!selected || !selectedKey) return items;
-  const selectedFormat = configFormatValue(selected);
-  if (!selectedFormat) return items;
-  return items.map((item) => {
-    if (!isSameConfigKey(item, selectedKey) || configFormatValue(item)) return item;
-    return { ...item, configType: selectedFormat };
-  });
-}
-
 function normalizeConfigItemFormat<T extends NacosConfigItem>(item: T): T {
   const value = normalizeConfigFormat(item.configType);
   if (!value || value === item.configType) return item;
   return { ...item, configType: value };
 }
 
+function configFormatCacheKey(key: { namespace?: string; dataId: string; group: string }): string {
+  return [props.connectionId, key.namespace || namespace.value || "", key.dataId, key.group || "DEFAULT_GROUP"].join("\u0000");
+}
+
+function rememberConfigFormat(item: { namespace?: string; dataId: string; group: string; configType?: string }) {
+  const value = configFormatValue(item);
+  if (!value) return;
+  knownConfigFormats.value = {
+    ...knownConfigFormats.value,
+    [configFormatCacheKey(item)]: value,
+  };
+}
+
+function applyKnownConfigFormats(items: NacosConfigItem[]): NacosConfigItem[] {
+  return items.map((item) => {
+    const existingFormat = configFormatValue(item);
+    if (existingFormat) {
+      rememberConfigFormat({ ...item, configType: existingFormat });
+      return item.configType === existingFormat ? item : { ...item, configType: existingFormat };
+    }
+    const knownFormat = knownConfigFormats.value[configFormatCacheKey(item)];
+    return knownFormat ? { ...item, configType: knownFormat } : item;
+  });
+}
+
 function configFormatDisplayLabel(value: string): string {
   const normalized = value.trim().toLowerCase();
   if (!normalized) return "-";
@@ -358,7 +373,7 @@ async function loadConfigs(page = configPageNo.value) {
       pageNo: configPageNo.value,
       pageSize: configPageSize.value,
     });
-    configs.value = mergeSelectedConfigFormat(result.items.map(normalizeConfigItemFormat));
+    configs.value = applyKnownConfigFormats(result.items.map(normalizeConfigItemFormat));
     configTotal.value = result.totalCount;
   } catch (error) {
     configError.value = error instanceof Error ? error.message : String(error);
@@ -400,6 +415,12 @@ async function selectConfig(item: NacosConfigItem) {
       dataId: normalizedDetail.dataId || item.dataId,
       group: normalizedDetail.group || item.group,
     };
+    rememberConfigFormat({
+      ...normalizedDetail,
+      namespace: selectedConfigOriginalKey.value.namespace,
+      dataId: selectedConfigOriginalKey.value.dataId,
+      group: selectedConfigOriginalKey.value.group,
+    });
     configContent.value = normalizedDetail.content || "";
     originalConfigContent.value = configContent.value;
     configType.value = configFormatValue(normalizedDetail) || configFormatValue(item) || "text";
@@ -446,14 +467,57 @@ function saveConfigAsCopy() {
 
 async function copyConfigIdentity() {
   if (!selectedConfig.value) return;
-  await copyToClipboard(buildNacosConfigCopy(selectedConfig.value, configContent.value));
-  toast(t("nacos.copied"), 2000);
+  const view = configEditorView.value;
+  const selection = view?.state.sliceDoc(view.state.selection.main.from, view.state.selection.main.to) || "";
+  const text = resolveNacosConfigCopyText(selection, view?.state.doc.toString(), configContent.value);
+  try {
+    await copyToClipboard(text);
+    try {
+      const copiedText = await readTextFromClipboard();
+      if (copiedText !== text) {
+        throw new Error(t("nacos.copyVerifyFailed"));
+      }
+    } catch (verifyError) {
+      if (isTauriRuntime()) throw verifyError;
+    }
+    toast(t("nacos.copied"), 2000);
+  } catch (error) {
+    toast(t("grid.copyFailed", { message: error instanceof Error ? error.message : String(error) }), 5000);
+  }
+}
+
+async function downloadConfigText(content: string, fileName: string) {
+  const blob = new Blob([content], { type: "text/plain;charset=utf-8" });
+  const url = URL.createObjectURL(blob);
+  const anchor = document.createElement("a");
+  anchor.href = url;
+  anchor.download = fileName;
+  anchor.click();
+  URL.revokeObjectURL(url);
 }
 
 async function exportConfig() {
   if (!selectedConfig.value) return;
-  await copyToClipboard(buildNacosConfigExport({ ...selectedConfig.value, configType: configType.value }, configContent.value));
-  toast(t("nacos.exported"), 2000);
+  const item = { ...selectedConfig.value, configType: configType.value };
+  const fileName = buildNacosConfigExportFileName(item);
+  try {
+    if (isTauriRuntime()) {
+      const { save } = await import("@tauri-apps/plugin-dialog");
+      const { writeTextFile } = await import("@tauri-apps/plugin-fs");
+      const path = await save({
+        defaultPath: fileName,
+        filters: [{ name: configFormatDisplayLabel(configType.value || item.configType || "text"), extensions: [fileName.split(".").pop() || "txt"] }],
+      });
+      if (!path) return;
+      await writeTextFile(path, configContent.value);
+      toast(t("nacos.exportedTo", { path }), 2000);
+      return;
+    }
+    await downloadConfigText(configContent.value, fileName);
+    toast(t("nacos.exported"), 2000);
+  } catch (error) {
+    toast(t("nacos.exportFailed", { message: error instanceof Error ? error.message : String(error) }), 5000);
+  }
 }
 
 function historyKeyFor(item: NacosConfigHistoryItem) {
@@ -575,6 +639,7 @@ async function rollbackConfigHistory() {
 async function setConfigFormat(format: string) {
   configType.value = format;
   if (selectedConfig.value) selectedConfig.value.configType = format;
+  if (selectedConfigOriginalKey.value) rememberConfigFormat({ ...selectedConfigOriginalKey.value, configType: format });
   configSaveNotice.value = "";
   await refreshConfigEditor();
 }
@@ -615,6 +680,7 @@ async function saveConfig() {
     });
     const savedConfig = { ...selectedConfig.value, dataId, group, content: configContent.value, configType: configType.value };
     selectedConfig.value = savedConfig;
+    rememberConfigFormat({ ...savedConfig, namespace: savedConfig.namespace || namespace.value || undefined });
     originalConfigContent.value = configContent.value;
     selectedConfigOriginalKey.value = {
       namespace: savedConfig.namespace || namespace.value || undefined,
diff --git a/apps/desktop/src/i18n/locales/en.ts b/apps/desktop/src/i18n/locales/en.ts
index 86c57ef674..901528c1e9 100644
--- a/apps/desktop/src/i18n/locales/en.ts
+++ b/apps/desktop/src/i18n/locales/en.ts
@@ -2865,8 +2865,11 @@ export default {
     delete: "Delete",
     copy: "Copy",
     copied: "Copied",
+    copyVerifyFailed: "Clipboard verification failed after writing",
     export: "Export",
-    exported: "Export copied",
+    exported: "Exported",
+    exportedTo: "Exported to {path}",
+    exportFailed: "Export failed: {message}",
     history: "History",
     configHistory: "Config history",
     historyDetail: "History detail",
diff --git a/apps/desktop/src/i18n/locales/es.ts b/apps/desktop/src/i18n/locales/es.ts
index 9cc3a97a7f..940f6001c3 100644
--- a/apps/desktop/src/i18n/locales/es.ts
+++ b/apps/desktop/src/i18n/locales/es.ts
@@ -2441,8 +2441,11 @@ export default {
     delete: "Eliminar",
     copy: "Copiar",
     copied: "Copiado",
+    copyVerifyFailed: "La verificación del portapapeles falló después de escribir",
     export: "Exportar",
-    exported: "Exportación copiada",
+    exported: "Exportado",
+    exportedTo: "Exportado a {path}",
+    exportFailed: "Error al exportar: {message}",
     history: "History",
     configHistory: "Config history",
     historyDetail: "History detail",
diff --git a/apps/desktop/src/i18n/locales/it.ts b/apps/desktop/src/i18n/locales/it.ts
index 4285743208..18d78a73d4 100644
--- a/apps/desktop/src/i18n/locales/it.ts
+++ b/apps/desktop/src/i18n/locales/it.ts
@@ -2510,8 +2510,11 @@ export default {
     delete: "Elimina",
     copy: "Copia",
     copied: "Copiato",
+    copyVerifyFailed: "Verifica degli appunti non riuscita dopo la scrittura",
     export: "Esporta",
-    exported: "Esportazione copiata",
+    exported: "Esportato",
+    exportedTo: "Esportato in {path}",
+    exportFailed: "Esportazione non riuscita: {message}",
     history: "History",
     configHistory: "Config history",
     historyDetail: "History detail",
diff --git a/apps/desktop/src/i18n/locales/ja.ts b/apps/desktop/src/i18n/locales/ja.ts
index 292a77c387..f4f4d378f1 100644
--- a/apps/desktop/src/i18n/locales/ja.ts
+++ b/apps/desktop/src/i18n/locales/ja.ts
@@ -2755,8 +2755,11 @@ export default {
     delete: "削除",
     copy: "コピー",
     copied: "コピーしました",
+    copyVerifyFailed: "クリップボード書き込み後の検証に失敗しました",
     export: "エクスポート",
-    exported: "エクスポート内容をコピーしました",
+    exported: "エクスポートしました",
+    exportedTo: "{path} にエクスポートしました",
+    exportFailed: "エクスポートに失敗しました: {message}",
     history: "History",
     configHistory: "Config history",
     historyDetail: "History detail",
diff --git a/apps/desktop/src/i18n/locales/pt-BR.ts b/apps/desktop/src/i18n/locales/pt-BR.ts
index 6d91b42c07..fa1a4ddbd5 100644
--- a/apps/desktop/src/i18n/locales/pt-BR.ts
+++ b/apps/desktop/src/i18n/locales/pt-BR.ts
@@ -2521,8 +2521,11 @@ export default {
     delete: "Excluir",
     copy: "Copiar",
     copied: "Copiado",
+    copyVerifyFailed: "A verificação da área de transferência falhou após a gravação",
     export: "Exportar",
-    exported: "Exportação copiada",
+    exported: "Exportado",
+    exportedTo: "Exportado para {path}",
+    exportFailed: "Falha ao exportar: {message}",
     history: "History",
     configHistory: "Config history",
     historyDetail: "History detail",
diff --git a/apps/desktop/src/i18n/locales/zh-CN.ts b/apps/desktop/src/i18n/locales/zh-CN.ts
index 294192156e..0b9a0a33e5 100644
--- a/apps/desktop/src/i18n/locales/zh-CN.ts
+++ b/apps/desktop/src/i18n/locales/zh-CN.ts
@@ -2889,8 +2889,11 @@ export default {
     delete: "删除",
     copy: "复制",
     copied: "已复制",
+    copyVerifyFailed: "剪贴板写入后校验失败",
     export: "导出",
-    exported: "导出内容已复制",
+    exported: "导出完成",
+    exportedTo: "已导出到 {path}",
+    exportFailed: "导出失败：{message}",
     history: "历史",
     configHistory: "配置历史",
     historyDetail: "历史版本详情",
diff --git a/apps/desktop/src/i18n/locales/zh-TW.ts b/apps/desktop/src/i18n/locales/zh-TW.ts
index 6925c4aba4..4e1c1013e4 100644
--- a/apps/desktop/src/i18n/locales/zh-TW.ts
+++ b/apps/desktop/src/i18n/locales/zh-TW.ts
@@ -2535,8 +2535,11 @@ export default {
     delete: "刪除",
     copy: "複製",
     copied: "已複製",
+    copyVerifyFailed: "剪貼簿寫入後驗證失敗",
     export: "匯出",
-    exported: "匯出內容已複製",
+    exported: "匯出完成",
+    exportedTo: "已匯出到 {path}",
+    exportFailed: "匯出失敗：{message}",
     history: "歷史",
     configHistory: "配置歷史",
     historyDetail: "歷史版本詳情",
diff --git a/apps/desktop/src/lib/__tests__/nacosAdmin.spec.ts b/apps/desktop/src/lib/__tests__/nacosAdmin.spec.ts
index ade4b2f93a..36edee39df 100644
--- a/apps/desktop/src/lib/__tests__/nacosAdmin.spec.ts
+++ b/apps/desktop/src/lib/__tests__/nacosAdmin.spec.ts
@@ -1,5 +1,19 @@
 import { describe, expect, it } from "vitest";
-import { buildNacosConfigDeleteConfirm, buildNacosInlineDiff, buildNacosInstanceConfirm, buildNacosRawRequest, buildNacosSideBySideDiff, isNacosRawMutation, parseNacosRawBody, parseNacosRawQuery, summarizeNacosConfigDiff } from "../nacosAdmin";
+import {
+  buildNacosConfigExportFileName,
+  buildNacosConfigDeleteConfirm,
+  buildNacosInlineDiff,
+  buildNacosInstanceConfirm,
+  buildNacosRawRequest,
+  buildNacosSideBySideDiff,
+  isNacosRawMutation,
+  nacosConfigFileExtension,
+  parseNacosRawBody,
+  parseNacosRawQuery,
+  resolveNacosConfigCopyText,
+  sanitizeNacosConfigFileNameSegment,
+  summarizeNacosConfigDiff,
+} from "../nacosAdmin";
 
 describe("nacosAdmin helpers", () => {
   it("parses raw query and body text", () => {
@@ -48,4 +62,19 @@ describe("nacosAdmin helpers", () => {
     expect(details).toContain("serviceName=DEFAULT_GROUP@@svc");
     expect(details).toContain("targetEnabled=false");
   });
+
+  it("builds safe export file names from config data id and format", () => {
+    expect(sanitizeNacosConfigFileNameSegment("../prod:app?config")).toBe("prod_app_config");
+    expect(nacosConfigFileExtension("yaml")).toBe("yaml");
+    expect(nacosConfigFileExtension("props")).toBe("properties");
+    expect(buildNacosConfigExportFileName({ dataId: "application.yaml", configType: "text" })).toBe("application.yaml");
+    expect(buildNacosConfigExportFileName({ dataId: "service/config", configType: "json" })).toBe("service_config.json");
+    expect(buildNacosConfigExportFileName({ dataId: "", configType: "toml" })).toBe("nacos-config.toml");
+  });
+
+  it("copies selected config text before editor text and state text", () => {
+    expect(resolveNacosConfigCopyText("selected", "editor", "state")).toBe("selected");
+    expect(resolveNacosConfigCopyText("", "editor", "state")).toBe("editor");
+    expect(resolveNacosConfigCopyText("", "", "state")).toBe("state");
+  });
 });
diff --git a/apps/desktop/src/lib/nacosAdmin.ts b/apps/desktop/src/lib/nacosAdmin.ts
index 4985a04a67..6e2a5b05f9 100644
--- a/apps/desktop/src/lib/nacosAdmin.ts
+++ b/apps/desktop/src/lib/nacosAdmin.ts
@@ -78,6 +78,37 @@ export function buildNacosConfigCopy(item: NacosConfigItem, content: string): st
   return `${formatNacosConfigIdentity(item)}\n\n${content}`;
 }
 
+export function resolveNacosConfigCopyText(selectionText: string, editorText: string | undefined, stateText: string): string {
+  return selectionText || editorText || stateText;
+}
+
+export function sanitizeNacosConfigFileNameSegment(value: string): string {
+  const sanitized = value
+    .trim()
+    .replace(/[<>:"/\\|?*\x00-\x1f]/g, "_")
+    .replace(/\s+/g, " ")
+    .replace(/^[._\s-]+/, "")
+    .replace(/\.+$/, "");
+  return sanitized || "nacos-config";
+}
+
+export function nacosConfigFileExtension(configType?: string): string {
+  const normalized = configType?.trim().toLowerCase();
+  if (normalized === "yaml" || normalized === "yml") return "yaml";
+  if (normalized === "json") return "json";
+  if (normalized === "xml") return "xml";
+  if (normalized === "html") return "html";
+  if (normalized === "properties" || normalized === "props") return "properties";
+  if (normalized === "toml") return "toml";
+  return "txt";
+}
+
+export function buildNacosConfigExportFileName(item: Pick<NacosConfigItem, "dataId" | "configType">): string {
+  const baseName = sanitizeNacosConfigFileNameSegment(item.dataId || "nacos-config");
+  if (/\.[A-Za-z0-9][A-Za-z0-9_-]{0,15}$/.test(baseName)) return baseName;
+  return `${baseName}.${nacosConfigFileExtension(item.configType)}`;
+}
+
 export function createNacosSaveAsCopy(item: NacosConfigItem): NacosConfigItem {
   return {
     ...item,
diff --git a/crates/dbx-core/src/nacos/http.rs b/crates/dbx-core/src/nacos/http.rs
index e620c872e3..de59553fe5 100644
--- a/crates/dbx-core/src/nacos/http.rs
+++ b/crates/dbx-core/src/nacos/http.rs
@@ -329,7 +329,26 @@ impl NacosOpenApiAdmin {
         let start = ((page_no.saturating_sub(1)) * page_size) as usize;
         let end = start.saturating_add(page_size as usize).min(matched.len());
         let items = if start < matched.len() { matched[start..end].to_vec() } else { Vec::new() };
-        Ok(NacosConfigList { page_no, page_size, total_count, items })
+        Ok(self.enrich_missing_config_formats(NacosConfigList { page_no, page_size, total_count, items }).await)
+    }
+
+    async fn enrich_missing_config_formats(&self, mut list: NacosConfigList) -> NacosConfigList {
+        for item in list.items.iter_mut() {
+            if item.config_type.is_some() {
+                continue;
+            }
+            let detail = self
+                .get_config(NacosConfigKey {
+                    namespace: Some(item.namespace.clone()),
+                    data_id: item.data_id.clone(),
+                    group: item.group.clone(),
+                })
+                .await;
+            if let Ok(detail) = detail {
+                item.config_type = detail.config_type;
+            }
+        }
+        list
     }
 }
 
@@ -452,7 +471,8 @@ impl NacosAdmin for NacosOpenApiAdmin {
         let group_filter = query.group.clone();
         let group = group_filter.clone().unwrap_or_default();
         let value = self.get_config_list_value(&namespace, &search, &group, page_no, page_size).await?;
-        let parsed = parse_config_list(value, namespace.clone(), page_no, page_size);
+        let parsed =
+            self.enrich_missing_config_formats(parse_config_list(value, namespace.clone(), page_no, page_size)).await;
         if data_id_filter.is_some() && parsed.items.is_empty() {
             let fallback =
                 self.list_configs_by_client_filter(namespace, group_filter, data_id_filter, page_no, page_size).await?;
diff --git a/src-tauri/capabilities/default.json b/src-tauri/capabilities/default.json
index 46732dcc67..c3c181cfee 100644
--- a/src-tauri/capabilities/default.json
+++ b/src-tauri/capabilities/default.json
@@ -16,6 +16,7 @@
     "core:window:allow-close",
     "core:window:allow-start-dragging",
     "core:webview:allow-set-webview-zoom",
+    "clipboard-manager:allow-read-text",
     "clipboard-manager:allow-write-text",
     "dialog:default",
     "dialog:allow-save",