diff --git a/packages/inula-dev-tools/src/background/inulaXHandler.ts b/packages/inula-dev-tools/src/background/inulaXHandler.ts
new file mode 100644
index 00000000..3899e486
--- /dev/null
+++ b/packages/inula-dev-tools/src/background/inulaXHandler.ts
@@ -0,0 +1,293 @@
+/*
+ * Copyright (c) 2023 Huawei Technologies Co.,Ltd.
+ *
+ * openInula is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *
+ *          http://license.coscl.org.cn/MulanPSL2
+ *
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+import { DevToolBackground, DevToolContentScript, DevToolPanel } from '../utils/constants';
+import { connections } from './index';
+import { packagePayload } from '../utils/transferUtils';
+
+// 监听来自 content script 的消息，并将消息发送给对应的 dev tools page
+const eventsPerTab = {};
+const storesPerTab = {};
+const observedComponents = {};
+const eventPersistencePerTab = {};
+let idGenerator = 1;
+
+// 当 tab 重新加载，需要对该 tab 所监听的 stores 进行重置
+chrome.tabs.onUpdated.addListener(function (tabId, changeInfo) {
+  if (changeInfo.status === 'loading') {
+    if (!eventPersistencePerTab[tabId]) {
+      eventsPerTab[tabId] = [];
+    }
+    storesPerTab[tabId] = [];
+  }
+});
+
+function sendTo(connectionId, message) {
+  if (connections[connectionId]) {
+    connections[connectionId].postMessage(message);
+  }
+}
+
+function requestObservedComponents(tabId) {
+  setTimeout(() => {
+    chrome.tabs.sendMessage(
+      tabId,
+      packagePayload(
+        {
+          type: 'inulax request observed components',
+          data: {}
+        },
+        'dev tool background'
+      )
+    );
+  }, 1);
+}
+
+function executeAction(tabId, storeId, action, params) {
+  chrome.tabs.sendMessage(
+    tabId,
+    packagePayload(
+      {
+        type: 'inulax execute action',
+        data: {
+          action,
+          storeId,
+          params,
+        }
+      },
+      'dev tool background'
+    )
+  );
+}
+
+function queueAction(tabId, storeId, action, params) {
+  chrome.tabs.sendMessage(
+    tabId,
+    packagePayload(
+      {
+        type: 'inulax queue action',
+        data: {
+          action,
+          storeId,
+          params,
+        }
+      },
+      'sev tool background'
+    )
+  );
+}
+
+function getObservedComponents(storeId, tabId) {
+  if (!observedComponents[tabId]) {
+    observedComponents[tabId] = {};
+  }
+  if (!observedComponents[tabId][storeId]) {
+    return [];
+  }
+  return observedComponents[tabId][storeId];
+}
+
+// 来自 content script 的消息
+chrome.runtime.onMessage.addListener(function (message, sender) {
+  if (message.payload.type.startsWith('inulax')) {
+    console.log('inulaXHandler message from content script', {
+      payload: { ...message.payload },
+    });
+
+    if (message.from === DevToolContentScript && sender.tab?.id) {
+      if (message.payload.type === 'inulax observed components') {
+        observedComponents[sender.tab.id] = message.payload.data;
+
+        sendTo(sender.tab.id, {
+          type: 'INULA_DEV_TOOLS',
+          payload: {
+            type: 'inulax observed components',
+            data: message.payload.data,
+          },
+          from: DevToolBackground,
+        });
+        return;
+      }
+      requestObservedComponents(sender.tab.id);
+
+      // content script -> inulaXHandler
+      if (!eventsPerTab[sender.tab.id]) {
+        eventsPerTab[sender.tab.id] = [];
+      }
+      eventsPerTab[sender.tab.id].push({
+        id: idGenerator++,
+        timestamp: Date.now(),
+        message: message.payload,
+      });
+
+      sendTo(sender.tab.id, {
+        type: 'INULA_DEV_TOOLS',
+        payload: {
+          type: 'inulax events',
+          events: eventsPerTab[sender.tab.id],
+        },
+        from: DevToolBackground,
+      });
+
+      // 如果当前 tab 没有 store data，则初始化
+      if (!storesPerTab[sender.tab.id]) {
+        storesPerTab[sender.tab.id] = [];
+      }
+
+      let found = false;
+      storesPerTab[sender.tab.id]?.some((store, index) => {
+        if (store.id === message.payload.data.store.id) {
+          found = true;
+          storesPerTab[sender.tab!.id!][index] = message.payload.data.store;
+          requestObservedComponents(sender.tab?.id);
+          return true;
+        }
+        return false;
+      });
+
+      if (!found) {
+        const tabId = sender.tab.id;
+        if (!storesPerTab[tabId]) {
+          storesPerTab[tabId] = [];
+        }
+        storesPerTab[tabId].push(message.payload.data.store);
+        sendTo(tabId, {
+          type: 'INULA_DEV_TOOLS',
+          payload: {
+            type: 'inulax stores',
+            stores: storesPerTab[tabId]?.map(store => {
+              // 连接被监测的组件
+              requestObservedComponents(tabId);
+              const observedComponents = getObservedComponents(store, tabId);
+              return { ...store, observedComponents };
+            }) || [],
+            newStore: message.payload.data.store.id,
+          },
+          from: DevToolBackground,
+        });
+        return;
+      }
+
+      sendTo(sender.tab.id, {
+        type: 'INULA_DEV_TOOLS',
+        payload: {
+          type: 'inulax stores',
+          stores: storesPerTab[sender.tab.id]?.map(store => {
+            // 连接被监测的组件
+            const observedComponents = getObservedComponents(store, sender.tab?.id);
+            return { ...store, observedComponents };
+          }) || [],
+          updated: message.payload.data.store.id,
+        },
+        from: DevToolBackground,
+      });
+
+      requestObservedComponents(message.payload.tabId);
+    }
+
+    if (message.from === DevToolPanel) {
+      // panel -> inulaXHandler
+      if (message.payload.type === 'inulax run action') {
+        executeAction(
+          message.payload.tabId,
+          message.payload.storeId,
+          message.payload.action,
+          message.payload.args
+        );
+        return;
+      }
+
+      if (message.payload.type === 'inulax change state') {
+        chrome.tabs.sendMessage(
+          message.payload.tabId,
+          packagePayload(message.payload, 'dev tool background')
+        );
+        return;
+      }
+
+      if (message.payload.type === 'inulax queue action') {
+        queueAction(
+          message.payload.tabId,
+          message.payload.storeId,
+          message.payload.action,
+          message.payload.args
+        );
+        return;
+      }
+
+      if (message.payload.type === 'inulax resetEvents') {
+        eventsPerTab[message.payload.tabId] = [];
+        sendTo(message.payload.tabId, {
+          type: 'INULA_DEV_TOOLS',
+          payload: {
+            type: 'inulax events',
+            events: eventsPerTab[message.payload.tabId],
+          },
+          from: DevToolBackground,
+        });
+        return;
+      }
+
+      if (message.payload.type === 'inula setPersistent'){
+        const { tabId, persistent } = message.payload;
+        eventPersistencePerTab[tabId] = persistent;
+        return;
+      }
+
+      if (message.payload.type === 'inulax getPersistence') {
+        sendTo(message.payload.tabId, {
+          type: 'INULA_DEV_TOOLS',
+          payload: {
+            type: 'inulax persistence',
+            persistent: !!eventPersistencePerTab[message.payload.tabId],
+          },
+          from: DevToolBackground,
+        });
+        return;
+      }
+
+      if (message.payload.type === 'inulax getEvents') {
+        if (!eventsPerTab[message.payload.tabId]) {
+          eventsPerTab[message.payload.tabId] = [];
+        }
+        sendTo(message.payload.tabId, {
+          type: 'INULA_DEV_TOOLS',
+          payload: {
+            type: 'inulax events',
+            events: eventsPerTab[message.payload.tabId],
+          },
+          from: DevToolBackground,
+        });
+        return;
+      }
+
+      if (message.payload.type === 'inulax getStores') {
+        sendTo(message.payload.tabId, {
+          type: 'INULA_DEV_TOOLS',
+          payload: {
+            type: 'inulax stores',
+            stores: storesPerTab[message.payload.tabId]?.map(store => {
+              requestObservedComponents(message.payload.tabId);
+              const observedComponents = getObservedComponents(store.id, message.payload.tabId);
+              return { ...store, observedComponents };
+            }) || [],
+          },
+          from: DevToolBackground,
+        });
+        return;
+      }
+    }
+  }
+});