diff --git a/backend/internal/handler/ops_error_logger.go b/backend/internal/handler/ops_error_logger.go
index 4dc0a9cc..36ffde63 100644
--- a/backend/internal/handler/ops_error_logger.go
+++ b/backend/internal/handler/ops_error_logger.go
@@ -1011,5 +1011,12 @@ func shouldSkipOpsErrorLog(ctx context.Context, ops *service.OpsService, message
 		}
 	}
 
+	// Check if invalid/missing API key errors should be ignored (user misconfiguration)
+	if settings.IgnoreInvalidApiKeyErrors {
+		if strings.Contains(bodyLower, "invalid_api_key") || strings.Contains(bodyLower, "api_key_required") {
+			return true
+		}
+	}
+
 	return false
 }
diff --git a/backend/internal/service/ops_settings_models.go b/backend/internal/service/ops_settings_models.go
index df06f578..ecc62220 100644
--- a/backend/internal/service/ops_settings_models.go
+++ b/backend/internal/service/ops_settings_models.go
@@ -83,6 +83,7 @@ type OpsAdvancedSettings struct {
 	IgnoreCountTokensErrors   bool                     `json:"ignore_count_tokens_errors"`
 	IgnoreContextCanceled     bool                     `json:"ignore_context_canceled"`
 	IgnoreNoAvailableAccounts bool                     `json:"ignore_no_available_accounts"`
+	IgnoreInvalidApiKeyErrors bool                     `json:"ignore_invalid_api_key_errors"`
 	AutoRefreshEnabled        bool                     `json:"auto_refresh_enabled"`
 	AutoRefreshIntervalSec    int                      `json:"auto_refresh_interval_seconds"`
 }
diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index bb7defd8..1d53ddb6 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -2792,6 +2792,8 @@ export default {
         ignoreContextCanceledHint: 'When enabled, client disconnect (context canceled) errors will not be written to the error log.',
         ignoreNoAvailableAccounts: 'Ignore no available accounts errors',
         ignoreNoAvailableAccountsHint: 'When enabled, "No available accounts" errors will not be written to the error log (not recommended; usually a config issue).',
+        ignoreInvalidApiKeyErrors: 'Ignore invalid API key errors',
+        ignoreInvalidApiKeyErrorsHint: 'When enabled, invalid or missing API key errors (INVALID_API_KEY, API_KEY_REQUIRED) will not be written to the error log.',
         autoRefresh: 'Auto Refresh',
         enableAutoRefresh: 'Enable auto refresh',
         enableAutoRefreshHint: 'Automatically refresh dashboard data at a fixed interval.',
diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index 2e6230b2..a0ed426e 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -2944,7 +2944,9 @@ export default {
         ignoreContextCanceled: '忽略客户端断连错误',
         ignoreContextCanceledHint: '启用后，客户端主动断开连接（context canceled）的错误将不会写入错误日志。',
         ignoreNoAvailableAccounts: '忽略无可用账号错误',
-        ignoreNoAvailableAccountsHint: '启用后，“No available accounts” 错误将不会写入错误日志（不推荐，这通常是配置问题）。',
+        ignoreNoAvailableAccountsHint: '启用后，"No available accounts" 错误将不会写入错误日志（不推荐，这通常是配置问题）。',
+        ignoreInvalidApiKeyErrors: '忽略无效 API Key 错误',
+        ignoreInvalidApiKeyErrorsHint: '启用后，无效或缺失 API Key 的错误（INVALID_API_KEY、API_KEY_REQUIRED）将不会写入错误日志。',
         autoRefresh: '自动刷新',
         enableAutoRefresh: '启用自动刷新',
         enableAutoRefreshHint: '自动刷新仪表板数据，启用后会定期拉取最新数据。',
diff --git a/frontend/src/views/admin/ops/components/OpsSettingsDialog.vue b/frontend/src/views/admin/ops/components/OpsSettingsDialog.vue
index 53ab6683..3bec6d0d 100644
--- a/frontend/src/views/admin/ops/components/OpsSettingsDialog.vue
+++ b/frontend/src/views/admin/ops/components/OpsSettingsDialog.vue
@@ -505,6 +505,16 @@ async function saveAllSettings() {
               </div>
               <Toggle v-model="advancedSettings.ignore_no_available_accounts" />
             </div>
+
+            <div class="flex items-center justify-between">
+              <div>
+                <label class="text-sm font-medium text-gray-700 dark:text-gray-300">{{ t('admin.ops.settings.ignoreInvalidApiKeyErrors') }}</label>
+                <p class="mt-1 text-xs text-gray-500">
+                  {{ t('admin.ops.settings.ignoreInvalidApiKeyErrorsHint') }}
+                </p>
+              </div>
+              <Toggle v-model="advancedSettings.ignore_invalid_api_key_errors" />
+            </div>
           </div>
 
           <!-- Auto Refresh -->