diff --git a/src/components/providers/EditProviderDialog.tsx b/src/components/providers/EditProviderDialog.tsx
index a81fd25..dc18c6f 100644
--- a/src/components/providers/EditProviderDialog.tsx
+++ b/src/components/providers/EditProviderDialog.tsx
@@ -49,6 +49,8 @@ export function EditProviderDialog({
         websiteUrl: values.websiteUrl?.trim() || undefined,
         settingsConfig: parsedConfig,
         ...(values.presetCategory ? { category: values.presetCategory } : {}),
+        // 保留或更新 meta 字段
+        ...(values.meta ? { meta: values.meta } : {}),
       };
 
       await onSubmit(updatedProvider);
@@ -83,6 +85,8 @@ export function EditProviderDialog({
               name: provider.name,
               websiteUrl: provider.websiteUrl,
               settingsConfig: provider.settingsConfig,
+              category: provider.category,
+              meta: provider.meta,
             }}
             showButtons={false}
           />
diff --git a/src/components/providers/forms/EndpointSpeedTest.tsx b/src/components/providers/forms/EndpointSpeedTest.tsx
index affb9f0..c3329eb 100644
--- a/src/components/providers/forms/EndpointSpeedTest.tsx
+++ b/src/components/providers/forms/EndpointSpeedTest.tsx
@@ -12,13 +12,13 @@ import {
   DialogTitle,
   DialogFooter,
 } from "@/components/ui/dialog";
+import type { CustomEndpoint, EndpointCandidate } from "@/types";
 
-// 临时类型定义，待后端 API 实现后替换
-interface CustomEndpoint {
-  url: string;
-  addedAt: number;
-  lastUsed?: number;
-}
+// 端点测速超时配置（秒）
+const ENDPOINT_TIMEOUT_SECS = {
+  codex: 12,
+  claude: 8,
+} as const;
 
 interface TestResult {
   url: string;
@@ -27,12 +27,6 @@ interface TestResult {
   error?: string | null;
 }
 
-export interface EndpointCandidate {
-  id?: string;
-  url: string;
-  isCustom?: boolean;
-}
-
 interface EndpointSpeedTestProps {
   appType: AppType;
   providerId?: string;
@@ -113,6 +107,8 @@ const EndpointSpeedTest: React.FC<EndpointSpeedTestProps> = ({
 
   // 加载保存的自定义端点（按正在编辑的供应商）
   useEffect(() => {
+    let cancelled = false;
+
     const loadCustomEndpoints = async () => {
       try {
         if (!providerId) return;
@@ -122,6 +118,9 @@ const EndpointSpeedTest: React.FC<EndpointSpeedTestProps> = ({
           providerId,
         );
 
+        // 检查是否已取消
+        if (cancelled) return;
+
         const candidates: EndpointCandidate[] = customEndpoints.map(
           (ep: CustomEndpoint) => ({
             url: ep.url,
@@ -155,13 +154,19 @@ const EndpointSpeedTest: React.FC<EndpointSpeedTestProps> = ({
           return Array.from(map.values());
         });
       } catch (error) {
-        console.error(t("endpointTest.loadEndpointsFailed"), error);
+        if (!cancelled) {
+          console.error(t("endpointTest.loadEndpointsFailed"), error);
+        }
       }
     };
 
     if (visible) {
       loadCustomEndpoints();
     }
+
+    return () => {
+      cancelled = true;
+    };
   }, [appType, visible, providerId, t]);
 
   useEffect(() => {
@@ -253,7 +258,9 @@ const EndpointSpeedTest: React.FC<EndpointSpeedTestProps> = ({
       }
     }
 
-    if (!errorMsg && parsed && !parsed.protocol.startsWith("http")) {
+    // 明确只允许 http: 和 https:
+    const allowedProtocols = ['http:', 'https:'];
+    if (!errorMsg && parsed && !allowedProtocols.includes(parsed.protocol)) {
       errorMsg = t("endpointTest.onlyHttps");
     }
 
@@ -318,17 +325,29 @@ const EndpointSpeedTest: React.FC<EndpointSpeedTestProps> = ({
 
   const handleRemoveEndpoint = useCallback(
     async (entry: EndpointEntry) => {
-      // 如果是自定义端点,尝试从后端删除（无 providerId 则仅本地删除）
+      // 清空之前的错误提示
+      setLastError(null);
+
+      // 如果有 providerId，尝试从后端删除
       if (entry.isCustom && providerId) {
         try {
           await vscodeApi.removeCustomEndpoint(appType, providerId, entry.url);
         } catch (error) {
-          console.error(t("endpointTest.removeEndpointFailed"), error);
-          return;
+          const errorMsg = error instanceof Error ? error.message : String(error);
+
+          // 只有"端点不存在"时才允许删除本地条目
+          if (errorMsg.includes('not found') || errorMsg.includes('does not exist') || errorMsg.includes('不存在')) {
+            console.warn(t('endpointTest.removeEndpointFailed'), errorMsg);
+            // 继续删除本地条目
+          } else {
+            // 其他错误：显示错误提示，阻止删除
+            setLastError(t('endpointTest.removeFailed', { error: errorMsg }));
+            return;
+          }
         }
       }
 
-      // 更新本地状态
+      // 更新本地状态（删除成功）
       setEntries((prev) => {
         const next = prev.filter((item) => item.id !== entry.id);
         if (entry.url === normalizedSelected) {
@@ -363,7 +382,7 @@ const EndpointSpeedTest: React.FC<EndpointSpeedTestProps> = ({
 
     try {
       const results = await vscodeApi.testApiEndpoints(urls, {
-        timeoutSecs: appType === "codex" ? 12 : 8,
+        timeoutSecs: ENDPOINT_TIMEOUT_SECS[appType],
       });
 
       const resultMap = new Map(
@@ -425,13 +444,13 @@ const EndpointSpeedTest: React.FC<EndpointSpeedTestProps> = ({
         try {
           await vscodeApi.updateEndpointLastUsed(appType, providerId, url);
         } catch (error) {
-          console.error("Failed to update endpoint last used time:", error);
+          console.error(t("endpointTest.updateLastUsedFailed"), error);
         }
       }
 
       onChange(url);
     },
-    [normalizedSelected, onChange, appType, entries, providerId],
+    [normalizedSelected, onChange, appType, entries, providerId, t],
   );
 
   return (
diff --git a/src/components/providers/forms/ProviderForm.tsx b/src/components/providers/forms/ProviderForm.tsx
index e620275..ac45223 100644
--- a/src/components/providers/forms/ProviderForm.tsx
+++ b/src/components/providers/forms/ProviderForm.tsx
@@ -6,7 +6,7 @@ import { Button } from "@/components/ui/button";
 import { Form } from "@/components/ui/form";
 import { providerSchema, type ProviderFormData } from "@/lib/schemas/provider";
 import type { AppType } from "@/lib/api";
-import type { ProviderCategory, CustomEndpoint } from "@/types";
+import type { ProviderCategory, CustomEndpoint, ProviderMeta } from "@/types";
 import { providerPresets, type ProviderPreset } from "@/config/providerPresets";
 import {
   codexProviderPresets,
@@ -52,6 +52,8 @@ interface ProviderFormProps {
     name?: string;
     websiteUrl?: string;
     settingsConfig?: Record<string, unknown>;
+    category?: ProviderCategory;
+    meta?: ProviderMeta;
   };
   showButtons?: boolean;
 }
@@ -86,6 +88,7 @@ export function ProviderForm({
     appType,
     selectedPresetId,
     isEditMode,
+    initialCategory: initialData?.category,
   });
 
   useEffect(() => {
@@ -320,8 +323,12 @@ export function ProviderForm({
       }
     }
 
-    // 新建供应商时：添加自定义端点
-    if (!initialData && customEndpointsMap) {
+    // 处理 meta 字段（新建与编辑使用不同策略）
+    if (initialData?.meta) {
+      // 编辑模式：后端已通过 API 更新 meta，直接使用原有值
+      payload.meta = initialData.meta;
+    } else if (customEndpointsMap) {
+      // 新建模式：从表单收集的自定义端点打包到 meta
       payload.meta = { custom_endpoints: customEndpointsMap };
     }
 
diff --git a/src/components/providers/forms/hooks/useProviderCategory.ts b/src/components/providers/forms/hooks/useProviderCategory.ts
index d0b086e..b04958f 100644
--- a/src/components/providers/forms/hooks/useProviderCategory.ts
+++ b/src/components/providers/forms/hooks/useProviderCategory.ts
@@ -8,6 +8,7 @@ interface UseProviderCategoryProps {
   appType: AppType;
   selectedPresetId: string | null;
   isEditMode: boolean;
+  initialCategory?: ProviderCategory;
 }
 
 /**
@@ -18,14 +19,19 @@ export function useProviderCategory({
   appType,
   selectedPresetId,
   isEditMode,
+  initialCategory,
 }: UseProviderCategoryProps) {
   const [category, setCategory] = useState<ProviderCategory | undefined>(
-    undefined,
+    // 编辑模式：使用 initialCategory
+    isEditMode ? initialCategory : undefined,
   );
 
   useEffect(() => {
-    // 编辑模式不自动设置类别
-    if (isEditMode) return;
+    // 编辑模式：只在初始化时设置，后续不自动更新
+    if (isEditMode) {
+      setCategory(initialCategory);
+      return;
+    }
 
     if (selectedPresetId === "custom") {
       setCategory("custom");
@@ -56,7 +62,7 @@ export function useProviderCategory({
         );
       }
     }
-  }, [appType, selectedPresetId, isEditMode]);
+  }, [appType, selectedPresetId, isEditMode, initialCategory]);
 
   return { category, setCategory };
 }
diff --git a/src/components/providers/forms/hooks/useSpeedTestEndpoints.ts b/src/components/providers/forms/hooks/useSpeedTestEndpoints.ts
index dbe6b61..10cd438 100644
--- a/src/components/providers/forms/hooks/useSpeedTestEndpoints.ts
+++ b/src/components/providers/forms/hooks/useSpeedTestEndpoints.ts
@@ -2,6 +2,7 @@ import { useMemo } from "react";
 import type { AppType } from "@/lib/api";
 import type { ProviderPreset } from "@/config/providerPresets";
 import type { CodexProviderPreset } from "@/config/codexProviderPresets";
+import type { ProviderMeta, EndpointCandidate } from "@/types";
 
 type PresetEntry = {
   id: string;
@@ -16,20 +17,18 @@ interface UseSpeedTestEndpointsProps {
   codexBaseUrl: string;
   initialData?: {
     settingsConfig?: Record<string, unknown>;
+    meta?: ProviderMeta;
   };
 }
 
-export interface EndpointCandidate {
-  url: string;
-}
-
 /**
  * 收集端点测速弹窗的初始端点列表
  *
  * 收集来源：
- * 1. 当前选中的 Base URL
- * 2. 编辑模式下的初始数据 URL
- * 3. 预设中的 endpointCandidates
+ * 1. 编辑模式：从 meta.custom_endpoints 读取已保存的端点（优先）
+ * 2. 当前选中的 Base URL
+ * 3. 编辑模式下的初始数据 URL
+ * 4. 预设中的 endpointCandidates
  */
 export function useSpeedTestEndpoints({
   appType,
@@ -43,43 +42,53 @@ export function useSpeedTestEndpoints({
     if (appType !== "claude") return [];
 
     const map = new Map<string, EndpointCandidate>();
+    // 所有端点都标记为 isCustom: true，给用户完全的管理自由
     const add = (url?: string) => {
       if (!url) return;
       const sanitized = url.trim().replace(/\/+$/, "");
       if (!sanitized || map.has(sanitized)) return;
-      map.set(sanitized, { url: sanitized });
+      map.set(sanitized, { url: sanitized, isCustom: true });
     };
 
-    // 1. 当前 Base URL
+    // 1. 编辑模式：从 meta.custom_endpoints 读取已保存的端点（优先）
+    if (initialData?.meta?.custom_endpoints) {
+      const customEndpoints = initialData.meta.custom_endpoints;
+      for (const url of Object.keys(customEndpoints)) {
+        add(url);
+      }
+    }
+
+    // 2. 当前 Base URL
     if (baseUrl) {
       add(baseUrl);
     }
 
-    // 2. 编辑模式：初始数据中的 URL
+    // 3. 编辑模式：初始数据中的 URL
     if (initialData && typeof initialData.settingsConfig === "object") {
-      const envUrl = (initialData.settingsConfig as any)?.env
-        ?.ANTHROPIC_BASE_URL;
+      const configEnv = initialData.settingsConfig as {
+        env?: { ANTHROPIC_BASE_URL?: string };
+      };
+      const envUrl = configEnv.env?.ANTHROPIC_BASE_URL;
       if (typeof envUrl === "string") {
         add(envUrl);
       }
     }
 
-    // 3. 预设中的 endpointCandidates
+    // 4. 预设中的 endpointCandidates（也允许用户删除）
     if (selectedPresetId && selectedPresetId !== "custom") {
       const entry = presetEntries.find((item) => item.id === selectedPresetId);
       if (entry) {
         const preset = entry.preset as ProviderPreset;
         // 添加预设自己的 baseUrl
-        const presetEnv = (preset.settingsConfig as any)?.env
-          ?.ANTHROPIC_BASE_URL;
-        if (typeof presetEnv === "string") {
-          add(presetEnv);
+        const presetEnv = preset.settingsConfig as {
+          env?: { ANTHROPIC_BASE_URL?: string };
+        };
+        if (presetEnv.env?.ANTHROPIC_BASE_URL) {
+          add(presetEnv.env.ANTHROPIC_BASE_URL);
         }
         // 添加预设的候选端点
-        if (Array.isArray((preset as any).endpointCandidates)) {
-          for (const u of (preset as any).endpointCandidates as string[]) {
-            add(u);
-          }
+        if (preset.endpointCandidates) {
+          preset.endpointCandidates.forEach((url) => add(url));
         }
       }
     }
@@ -91,30 +100,40 @@ export function useSpeedTestEndpoints({
     if (appType !== "codex") return [];
 
     const map = new Map<string, EndpointCandidate>();
+    // 所有端点都标记为 isCustom: true，给用户完全的管理自由
     const add = (url?: string) => {
       if (!url) return;
       const sanitized = url.trim().replace(/\/+$/, "");
       if (!sanitized || map.has(sanitized)) return;
-      map.set(sanitized, { url: sanitized });
+      map.set(sanitized, { url: sanitized, isCustom: true });
     };
 
-    // 1. 当前 Codex Base URL
+    // 1. 编辑模式：从 meta.custom_endpoints 读取已保存的端点（优先）
+    if (initialData?.meta?.custom_endpoints) {
+      const customEndpoints = initialData.meta.custom_endpoints;
+      for (const url of Object.keys(customEndpoints)) {
+        add(url);
+      }
+    }
+
+    // 2. 当前 Codex Base URL
     if (codexBaseUrl) {
       add(codexBaseUrl);
     }
 
-    // 2. 编辑模式：初始数据中的 URL
+    // 3. 编辑模式：初始数据中的 URL
     const initialCodexConfig =
-      initialData && typeof initialData.settingsConfig?.config === "string"
-        ? (initialData.settingsConfig as any).config
-        : "";
+      initialData?.settingsConfig as {
+        config?: string;
+      } | undefined;
+    const configStr = initialCodexConfig?.config ?? "";
     // 从 TOML 中提取 base_url
-    const match = /base_url\s*=\s*["']([^"']+)["']/i.exec(initialCodexConfig);
+    const match = /base_url\s*=\s*["']([^"']+)["']/i.exec(configStr);
     if (match?.[1]) {
       add(match[1]);
     }
 
-    // 3. 预设中的 endpointCandidates
+    // 4. 预设中的 endpointCandidates（也允许用户删除）
     if (selectedPresetId && selectedPresetId !== "custom") {
       const entry = presetEntries.find((item) => item.id === selectedPresetId);
       if (entry) {
@@ -128,10 +147,8 @@ export function useSpeedTestEndpoints({
           add(presetMatch[1]);
         }
         // 添加预设的候选端点
-        if (Array.isArray((preset as any).endpointCandidates)) {
-          for (const u of (preset as any).endpointCandidates as string[]) {
-            add(u);
-          }
+        if (preset.endpointCandidates) {
+          preset.endpointCandidates.forEach((url) => add(url));
         }
       }
     }
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index a09fc50..96073c2 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -265,6 +265,8 @@
     "loadEndpointsFailed": "Failed to load custom endpoints:",
     "addEndpointFailed": "Failed to add custom endpoint:",
     "removeEndpointFailed": "Failed to remove custom endpoint:",
+    "removeFailed": "Remove failed: {{error}}",
+    "updateLastUsedFailed": "Failed to update endpoint last used time",
     "pleaseAddEndpoint": "Please add an endpoint first",
     "testUnavailable": "Speed test unavailable",
     "noResult": "No result returned",
diff --git a/src/i18n/locales/zh.json b/src/i18n/locales/zh.json
index 1bea334..bf91abb 100644
--- a/src/i18n/locales/zh.json
+++ b/src/i18n/locales/zh.json
@@ -265,6 +265,8 @@
     "loadEndpointsFailed": "加载自定义端点失败:",
     "addEndpointFailed": "添加自定义端点失败:",
     "removeEndpointFailed": "删除自定义端点失败:",
+    "removeFailed": "删除失败: {{error}}",
+    "updateLastUsedFailed": "更新端点使用时间失败",
     "pleaseAddEndpoint": "请先添加端点",
     "testUnavailable": "测速功能不可用",
     "noResult": "未返回结果",
diff --git a/src/types.ts b/src/types.ts
index 990b609..f6d020c 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -30,6 +30,13 @@ export interface CustomEndpoint {
   lastUsed?: number;
 }
 
+// 端点候选项（用于端点测速弹窗）
+export interface EndpointCandidate {
+  id?: string;
+  url: string;
+  isCustom?: boolean;
+}
+
 // 用量查询脚本配置
 export interface UsageScript {
   enabled: boolean; // 是否启用用量查询