diff --git a/packages/core/data-source-manager/src/data-source.ts b/packages/core/data-source-manager/src/data-source.ts
index 4aafd808d1..0add540ea6 100644
--- a/packages/core/data-source-manager/src/data-source.ts
+++ b/packages/core/data-source-manager/src/data-source.ts
@@ -77,6 +77,7 @@ export abstract class DataSource {
         const { resourceName, resourceOf } = ctx.action;
         return this.collectionManager.getRepository(resourceName, resourceOf);
       };
+
       return compose([this.collectionToResourceMiddleware(), this.resourceManager.restApiMiddleware()])(ctx, next);
     };
   }
diff --git a/packages/core/resourcer/src/resourcer.ts b/packages/core/resourcer/src/resourcer.ts
index 444ecf6d13..c223ffd87b 100644
--- a/packages/core/resourcer/src/resourcer.ts
+++ b/packages/core/resourcer/src/resourcer.ts
@@ -269,18 +269,16 @@ export class Resourcer {
       if (skipIfDataSourceExists) {
         const dataSource = ctx.get('x-data-source');
         if (dataSource) {
-          await next();
-          return;
+          return next();
         }
       }
+
       ctx.resourcer = this;
-      const connectionName = ctx.get('x-connection');
 
       let params = parseRequest(
         {
           path: ctx.request.path,
           method: ctx.request.method,
-          namespace: connectionName,
         },
         {
           prefix: this.options.prefix || prefix,
@@ -302,7 +300,6 @@ export class Resourcer {
               path: ctx.request.path,
               method: ctx.request.method,
               type: resource.options.type,
-              namespace: connectionName,
             },
             {
               prefix: this.options.prefix || prefix,
@@ -318,10 +315,6 @@ export class Resourcer {
         // action 需要 clone 之后再赋给 ctx
         ctx.action = this.getAction(getNameByParams(params), params.actionName).clone();
 
-        if (params && params.resourceName && params.resourceName.includes('@')) {
-          params.resourceName = params.resourceName.replace(`${connectionName}@`, '');
-        }
-
         ctx.action.setContext(ctx);
         ctx.action.actionName = params.actionName;
         ctx.action.resourceOf = params.associatedIndex;
diff --git a/packages/core/server/src/helper.ts b/packages/core/server/src/helper.ts
index b456eecbc9..c40086b99a 100644
--- a/packages/core/server/src/helper.ts
+++ b/packages/core/server/src/helper.ts
@@ -9,7 +9,7 @@ import fs from 'fs';
 import i18next from 'i18next';
 import bodyParser from 'koa-bodyparser';
 import { resolve } from 'path';
-import { RecordableHistogram, createHistogram } from 'perf_hooks';
+import { createHistogram, RecordableHistogram } from 'perf_hooks';
 import Application, { ApplicationOptions } from './application';
 import { parseVariables } from './middlewares';
 import { dateTemplate } from './middlewares/data-template';
@@ -98,7 +98,7 @@ export function registerMiddlewares(app: Application, options: ApplicationOption
 
   app.use(db2resource, { tag: 'db2resource', after: 'dataWrapping' });
   app.use(app.resourcer.restApiMiddleware({ skipIfDataSourceExists: true }), { tag: 'restApi', after: 'db2resource' });
-  app.use(app.dataSourceManager.middleware());
+  app.use(app.dataSourceManager.middleware(), { tag: 'dataSource', after: 'restApi' });
 }
 
 export const createAppProxy = (app: Application) => {
diff --git a/packages/plugins/@nocobase/plugin-data-source-manager/src/server/__tests__/data-source-with-acl.test.ts b/packages/plugins/@nocobase/plugin-data-source-manager/src/server/__tests__/data-source-with-acl.test.ts
index 1109cfc5c7..32e863a3d5 100644
--- a/packages/plugins/@nocobase/plugin-data-source-manager/src/server/__tests__/data-source-with-acl.test.ts
+++ b/packages/plugins/@nocobase/plugin-data-source-manager/src/server/__tests__/data-source-with-acl.test.ts
@@ -94,6 +94,25 @@ describe('data source with acl', () => {
     await app.destroy();
   });
 
+  it('should call application middleware', async () => {
+    const middlewareFn = vi.fn();
+    app.use(async (ctx, next) => {
+      middlewareFn();
+      await next();
+    });
+
+    const adminUser = await app.db.getRepository('users').create({
+      values: {
+        roles: ['root'],
+      },
+    });
+
+    const adminAgent: any = app.agent().login(adminUser).set('x-data-source', 'mockInstance1');
+    const listRes = await adminAgent.resource('api/posts').list();
+    expect(listRes.status).toBe(200);
+    expect(middlewareFn).toBeCalledTimes(1);
+  });
+
   it('should allow root user', async () => {
     const adminUser = await app.db.getRepository('users').create({
       values: {
diff --git a/packages/plugins/@nocobase/plugin-data-source-manager/src/server/plugin.ts b/packages/plugins/@nocobase/plugin-data-source-manager/src/server/plugin.ts
index 53bf4ba524..9ee21ffa59 100644
--- a/packages/plugins/@nocobase/plugin-data-source-manager/src/server/plugin.ts
+++ b/packages/plugins/@nocobase/plugin-data-source-manager/src/server/plugin.ts
@@ -79,6 +79,9 @@ export class PluginDataSourceManagerServer extends Plugin {
 
     this.app.use(async (ctx, next) => {
       await next();
+      if (!ctx.action) {
+        return;
+      }
 
       const { actionName, resourceName, params } = ctx.action;