♻️ refactor mcp app/service/db/test case

Author: ljy65535

frontend/services/mcpService.ts

@@ -67,14 +67,8 @@ export const getMcpServerList = async () => {
       let errorMessage = data.message || t('mcpService.message.getServerListFailed');
 
       switch (response.status) {
-        case 400:
-          errorMessage = t('mcpService.message.getRemoteProxyFailed');
-          break;
-        case 404:
-          errorMessage = t('mcpService.message.resourceNotFound');
-          break;
         case 500:
-          errorMessage = t('mcpService.message.serverInternalError');
+          errorMessage = t('mcpService.message.getRemoteProxyFailed');
           break;
         case 503:
           errorMessage = t('mcpService.message.serviceUnavailable');
@@ -174,14 +168,8 @@ export const deleteMcpServer = async (mcpUrl: string, serviceName: string) => {
       let errorMessage = data.message || t('mcpService.message.deleteServerFailed');
 
       switch (response.status) {
-        case 400:
-          errorMessage = t('mcpService.message.deleteProxyFailed');
-          break;
-        case 404:
-          errorMessage = t('mcpService.message.serverNotFound');
-          break;
         case 500:
-          errorMessage = t('mcpService.message.serverInternalError');
+          errorMessage = t('mcpService.message.deleteProxyFailed');
           break;
         default:
           errorMessage = data.message || t('mcpService.message.deleteServerFailed');
@@ -229,14 +217,8 @@ export const getMcpTools = async (serviceName: string, mcpUrl: string) => {
       let errorMessage = data.message || t('mcpService.message.getToolsFailed');
 
       switch (response.status) {
-        case 400:
-          errorMessage = t('mcpService.message.getToolsFromServerFailed');
-          break;
-        case 404:
-          errorMessage = t('mcpService.message.serverNotFound');
-          break;
         case 500:
-          errorMessage = t('mcpService.message.serverInternalError');
+          errorMessage = t('mcpService.message.getToolsFromServerFailed');
           break;
         case 503:
           errorMessage = t('mcpService.message.cannotConnectToServer');