diff --git a/components/ConfigManager.vue b/components/ConfigManager.vue
index 5ba9a99..b946f27 100644
--- a/components/ConfigManager.vue
+++ b/components/ConfigManager.vue
@@ -11,6 +11,7 @@
   const {
     config,
     aiApiBase,
+    webSearchApiBase,
     showConfigManager: showModal,
   } = storeToRefs(useConfigStore())
   const { t } = useI18n()
@@ -66,6 +67,7 @@
       // Only kept for easy reference in i18n Ally
       _help: t('settings.webSearch.providers.firecrawl.help'),
       link: 'https://www.firecrawl.dev/app/api-keys',
+      supportsCustomApiBase: true,
     },
   ])
   const selectedAiProvider = computed(() =>
@@ -121,6 +123,7 @@
     config.value.ai.model = model
   }
 
+  // Automatically fetch AI models list
   watch(
     () => [
       config.value.ai.provider,
@@ -134,6 +137,24 @@
     },
     { immediate: true },
   )
+  // Reset AI config when provider changed
+  watch(
+    () => config.value.ai.provider,
+    () => {
+      config.value.ai.apiKey = ''
+      config.value.ai.apiBase = ''
+      config.value.ai.model = ''
+      config.value.ai.contextSize = undefined
+    },
+  )
+  // Reset web search config when provider changed
+  watch(
+    () => config.value.webSearch.provider,
+    () => {
+      config.value.webSearch.apiKey = ''
+      config.value.webSearch.apiBase = ''
+    },
+  )
 
   defineExpose({
     show() {
@@ -250,17 +271,30 @@
             </template>
             <USelect
               v-model="config.webSearch.provider"
-              class="w-auto"
+              class="w-30"
               :items="webSearchProviderOptions"
             />
           </UFormField>
-          <UFormField :label="$t('settings.webSearch.apiKey')" required>
+          <UFormField
+            :label="$t('settings.webSearch.apiKey')"
+            :required="!config.webSearch.apiBase"
+          >
             <PasswordInput
               v-model="config.webSearch.apiKey"
               class="w-full"
               :placeholder="$t('settings.webSearch.apiKey')"
             />
           </UFormField>
+          <UFormField
+            v-if="selectedWebSearchProvider?.supportsCustomApiBase"
+            :label="$t('settings.webSearch.apiBase')"
+          >
+            <UInput
+              v-model="config.webSearch.apiBase"
+              class="w-full"
+              :placeholder="webSearchApiBase"
+            />
+          </UFormField>
           <UFormField :label="$t('settings.webSearch.queryLanguage')">
             <template #help>
               <i18n-t
diff --git a/composables/useWebSearch.ts b/composables/useWebSearch.ts
index 1c30b28..bab2d69 100644
--- a/composables/useWebSearch.ts
+++ b/composables/useWebSearch.ts
@@ -19,12 +19,13 @@ type WebSearchFunction = (
 ) => Promise<WebSearchResult[]>
 
 export const useWebSearch = (): WebSearchFunction => {
-  const { config } = useConfigStore()
+  const { config, webSearchApiBase } = useConfigStore()
 
   switch (config.webSearch.provider) {
     case 'firecrawl': {
       const fc = new Firecrawl({
         apiKey: config.webSearch.apiKey,
+        apiUrl: webSearchApiBase,
       })
       return async (q: string, o: WebSearchOptions) => {
         const results = await fc.search(q, o)
diff --git a/i18n/en.json b/i18n/en.json
index de5c60b..cf8334a 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -40,11 +40,12 @@
           "help": "Similar to Firecrawl, but provides 1000 free credits / month. Get one API key at {0}."
         },
         "firecrawl": {
-          "help": "Get one API key at {0}."
+          "help": "Get one API key at {0} if you are using the official service."
         }
       },
       "concurrencyLimitHelp": "Limit the concurrent search tasks. This is useful to avoid overloading the search provider and causing requests to fail.",
-      "concurrencyLimit": "Concurrency Limit"
+      "concurrencyLimit": "Concurrency Limit",
+      "apiBase": "API Base URL"
     }
   },
   "researchTopic": {
@@ -74,7 +75,6 @@
     "clickToView": "Click a child node to view details.",
     "nodeDetails": "Node Details",
     "startNode": {
-      "label": "Start",
       "description": "This is the beginning of your deep research journey!"
     },
     "researchGoal": "Research Goal",
@@ -106,4 +106,4 @@
     "refresh": "Refresh page",
     "dismiss": "Dismiss"
   }
-}
\ No newline at end of file
+}
diff --git a/i18n/zh.json b/i18n/zh.json
index d41b8b5..893d42b 100644
--- a/i18n/zh.json
+++ b/i18n/zh.json
@@ -37,14 +37,15 @@
       "queryLanguageHelp": "修改搜索词的语言。如果你想获取不同的搜索结果（比如查询高质量的英文资料），可以在这里修改。\nAI 模型在总结的时候仍然会使用当前网页的语言。",
       "providers": {
         "firecrawl": {
-          "help": "在 {0} 获取一个 API key。"
+          "help": "如果你使用的是官方服务，请在 {0} 获取 API key。"
         },
         "tavily": {
           "help": "和 Firecrawl 类似，不过提供了每月 1000 次免费搜索。在 {0} 获取一个 API key。"
         }
       },
       "concurrencyLimit": "并发数",
-      "concurrencyLimitHelp": "限制同时进行的搜索数量。这样可以避免被 API 服务限流，导致请求失败。"
+      "concurrencyLimitHelp": "限制同时进行的搜索数量。这样可以避免被 API 服务限流，导致请求失败。",
+      "apiBase": "API Base URL"
     }
   },
   "researchTopic": {
@@ -74,7 +75,6 @@
     "clickToView": "点击下面的节点查看搜索详情。",
     "nodeDetails": "节点详情",
     "startNode": {
-      "label": "Start",
       "description": "这是本次研究的起点"
     },
     "researchGoal": "研究目标",
@@ -106,4 +106,4 @@
     "refresh": "刷新",
     "dismiss": "忽略"
   }
-}
\ No newline at end of file
+}
diff --git a/stores/config.ts b/stores/config.ts
index 42b944a..2481a34 100644
--- a/stores/config.ts
+++ b/stores/config.ts
@@ -20,6 +20,8 @@ export interface ConfigAi {
 export interface ConfigWebSearch {
   provider: ConfigWebSearchProvider
   apiKey?: string
+  /** API base. Currently only works with Firecrawl */
+  apiBase?: string
   /** Force the LLM to generate serp queries in a certain language */
   searchLanguage?: Locale
   /** Limit the number of concurrent tasks globally */
@@ -78,6 +80,15 @@ export const useConfigStore = defineStore('config', () => {
     }
     return ai.apiBase || 'https://api.openai.com/v1'
   })
+  const webSearchApiBase = computed(() => {
+    const { webSearch } = config.value
+    if (webSearch.provider === 'tavily') {
+      return
+    }
+    if (webSearch.provider === 'firecrawl') {
+      return webSearch.apiBase || 'https://api.firecrawl.dev'
+    }
+  })
 
   const showConfigManager = ref(false)
 
@@ -85,6 +96,7 @@ export const useConfigStore = defineStore('config', () => {
     config: skipHydrate(config),
     isConfigValid,
     aiApiBase,
+    webSearchApiBase,
     showConfigManager,
     dismissUpdateVersion: skipHydrate(dismissUpdateVersion),
   }