diff --git a/packages/editor/package.json b/packages/editor/package.json
index a3541fbf..bc91e55a 100644
--- a/packages/editor/package.json
+++ b/packages/editor/package.json
@@ -42,6 +42,8 @@
     "framer-motion": "^4",
     "immer": "^9.0.6",
     "lodash-es": "^4.17.21",
+    "mobx": "^6.3.8",
+    "mobx-react-lite": "^3.2.2",
     "react": "^17.0.2",
     "react-dom": "^17.0.2"
   },
diff --git a/packages/editor/src/EditorStore.ts b/packages/editor/src/EditorStore.ts
new file mode 100644
index 00000000..f9a3db0c
--- /dev/null
+++ b/packages/editor/src/EditorStore.ts
@@ -0,0 +1,19 @@
+import { makeAutoObservable } from 'mobx';
+import { eventBus } from './eventBus';
+
+class EditorStore {
+  selectedComponentId = '';
+
+  constructor() {
+    eventBus.on('selectComponent', id => {
+      this.setSelectedComponentId(id);
+    });
+    makeAutoObservable(this);
+  }
+
+  setSelectedComponentId(val: string) {
+    this.selectedComponentId = val;
+  }
+}
+
+export const editorStore = new EditorStore()
diff --git a/packages/editor/src/components/ComponentWrapper.tsx b/packages/editor/src/components/ComponentWrapper.tsx
index 06f0f37f..35f7b0e3 100644
--- a/packages/editor/src/components/ComponentWrapper.tsx
+++ b/packages/editor/src/components/ComponentWrapper.tsx
@@ -1,7 +1,7 @@
 import React, { useEffect, useState } from 'react';
 import { css } from '@emotion/react';
 import { ComponentWrapperType } from '@sunmao-ui/runtime';
-import { eventBus, HoverComponentEvent, SelectComponentEvent } from '../eventBus';
+import { eventBus } from '../eventBus';
 
 // children of components in this list should render height as 100%
 const fullHeightList = ['core/v1/grid_layout'];
@@ -15,10 +15,10 @@ export const ComponentWrapper: ComponentWrapperType = props => {
   useEffect(() => {
     const handler = (event: string, payload: any) => {
       switch (event) {
-        case SelectComponentEvent:
+        case 'selectComponent':
           setSelectedComponentId(payload);
           break;
-        case HoverComponentEvent:
+        case 'hoverComponentEvent':
           setHoverComponentId(payload);
           break;
       }
@@ -52,15 +52,15 @@ export const ComponentWrapper: ComponentWrapperType = props => {
   `;
   const onClickWrapper = (e: React.MouseEvent<HTMLElement>) => {
     e.stopPropagation();
-    eventBus.send(SelectComponentEvent as any, component.id);
+    eventBus.send('selectComponent' as any, component.id);
   };
   const onMouseEnterWrapper = (e: React.MouseEvent<HTMLElement>) => {
     e.stopPropagation();
-    eventBus.send(HoverComponentEvent as any, component.id);
+    eventBus.send('hoverComponentEvent' as any, component.id);
   };
   const onMouseLeaveWrapper = (e: React.MouseEvent<HTMLElement>) => {
     e.stopPropagation();
-    eventBus.send(HoverComponentEvent as any, '');
+    eventBus.send('hoverComponentEvent' as any, '');
   };
   return (
     <div
diff --git a/packages/editor/src/components/Editor.tsx b/packages/editor/src/components/Editor.tsx
index c14af2d9..6360b066 100644
--- a/packages/editor/src/components/Editor.tsx
+++ b/packages/editor/src/components/Editor.tsx
@@ -1,9 +1,10 @@
-import { useEffect, useMemo, useState } from 'react';
+import { useMemo, useState } from 'react';
 import { Application } from '@sunmao-ui/core';
 import { GridCallbacks, DIALOG_CONTAINER_ID, initSunmaoUI } from '@sunmao-ui/runtime';
 import { Box, Tabs, TabList, Tab, TabPanels, TabPanel, Flex } from '@chakra-ui/react';
+import { observer } from 'mobx-react-lite';
 import { StructureTree } from './StructureTree';
-import { eventBus, SelectComponentEvent } from '../eventBus';
+import { eventBus } from '../eventBus';
 import { ComponentForm } from './ComponentForm';
 import { ComponentList } from './ComponentsList';
 import { useAppModel } from '../operations/useAppModel';
@@ -20,6 +21,7 @@ import {
   ReplaceAppLeafOperation,
 } from '../operations/leaf';
 import { CreateComponentBranchOperation } from '../operations/branch';
+import { editorStore } from '../EditorStore';
 
 type ReturnOfInit = ReturnType<typeof initSunmaoUI>;
 
@@ -32,203 +34,198 @@ type Props = {
   appStorage: AppStorage;
 };
 
-export const Editor: React.FC<Props> = ({
-  App,
-  registry,
-  stateStore,
-  appModelManager,
-  appStorage,
-}) => {
-  const { components } = useAppModel(appModelManager);
+export const Editor: React.FC<Props> = observer(
+  ({ App, registry, stateStore, appModelManager, appStorage }) => {
+    const { components } = useAppModel(appModelManager);
 
-  const [selectedComponentId, setSelectedComponentId] = useState(
-    components?.[0]?.id || ''
-  );
-  const [scale, setScale] = useState(100);
-  const [preview, setPreview] = useState(false);
-  const [codeMode, setCodeMode] = useState(false);
-  const [code, setCode] = useState('');
+    const [scale, setScale] = useState(100);
+    const [preview, setPreview] = useState(false);
+    const [codeMode, setCodeMode] = useState(false);
+    const [code, setCode] = useState('');
 
-  useEffect(() => {
-    eventBus.on(SelectComponentEvent, id => {
-      setSelectedComponentId(id);
-    });
-  }, [setSelectedComponentId]);
+    const gridCallbacks: GridCallbacks = useMemo(() => {
+      return {
+        // drag an existing component
+        onDragStop(id, layout) {
+          eventBus.send(
+            'operation',
+            new ModifyComponentPropertiesLeafOperation({
+              componentId: id,
+              properties: { layout },
+            })
+          );
+        },
+        // drag a new component from tool box
+        onDrop(id, layout, _, e) {
+          const component = e.dataTransfer?.getData('component') || '';
+          eventBus.send(
+            'operation',
+            new CreateComponentBranchOperation({
+              componentType: component,
+              parentId: id,
+              slot: 'content',
+              layout,
+            })
+          );
+        },
+      };
+    }, []);
 
-  const gridCallbacks: GridCallbacks = useMemo(() => {
-    return {
-      // drag an existing component
-      onDragStop(id, layout) {
-        eventBus.send(
-          'operation',
-          new ModifyComponentPropertiesLeafOperation({
-            componentId: id,
-            properties: { layout },
-          })
-        );
-      },
-      // drag a new component from tool box
-      onDrop(id, layout, _, e) {
-        const component = e.dataTransfer?.getData('component') || '';
-        eventBus.send(
-          'operation',
-          new CreateComponentBranchOperation({
-            componentType: component,
-            parentId: id,
-            slot: 'content',
-            layout,
-          })
-        );
-      },
-    };
-  }, []);
+    const app = useMemo<Application>(() => {
+      return {
+        version: 'sunmao/v1',
+        kind: 'Application',
+        metadata: {
+          name: 'some App',
+        },
+        spec: {
+          components,
+        },
+      };
+    }, [components]);
 
-  const app = useMemo<Application>(() => {
-    return {
-      version: 'sunmao/v1',
-      kind: 'Application',
-      metadata: {
-        name: 'some App',
-      },
-      spec: {
-        components,
-      },
-    };
-  }, [components]);
-
-  const appComponent = useMemo(() => {
-    return (
-      <App
-        options={app}
-        debugEvent={false}
-        debugStore={false}
-        gridCallbacks={gridCallbacks}
-        componentWrapper={ComponentWrapper}
-      />
-    );
-  }, [app, gridCallbacks]);
-
-  const renderMain = () => {
-    const appBox = (
-      <Box flex="1" background="gray.50" p={4}>
-        <Box
-          width="100%"
-          height="100%"
-          background="white"
-          transform={`scale(${scale / 100})`}
-        >
-          <Box id={DIALOG_CONTAINER_ID} width="full" height="full" position="absolute" />
-          {appComponent}
-        </Box>
-      </Box>
-    );
-
-    if (codeMode) {
+    const appComponent = useMemo(() => {
       return (
-        <Flex width="100%" height="100%">
-          <Box flex="1">
-            <SchemaEditor defaultCode={JSON.stringify(app, null, 2)} onChange={setCode} />
+        <App
+          options={app}
+          debugEvent={false}
+          debugStore={false}
+          gridCallbacks={gridCallbacks}
+          componentWrapper={ComponentWrapper}
+        />
+      );
+    }, [app, gridCallbacks]);
+
+    const renderMain = () => {
+      const appBox = (
+        <Box flex="1" background="gray.50" p={4}>
+          <Box
+            width="100%"
+            height="100%"
+            background="white"
+            transform={`scale(${scale / 100})`}
+          >
+            <Box
+              id={DIALOG_CONTAINER_ID}
+              width="full"
+              height="full"
+              position="absolute"
+            />
+            {appComponent}
+          </Box>
+        </Box>
+      );
+
+      if (codeMode) {
+        return (
+          <Flex width="100%" height="100%">
+            <Box flex="1">
+              <SchemaEditor
+                defaultCode={JSON.stringify(app, null, 2)}
+                onChange={setCode}
+              />
+            </Box>
+            {appBox}
+          </Flex>
+        );
+      }
+      return (
+        <>
+          <Box width="280px" borderRightWidth="1px" borderColor="gray.200">
+            <Tabs
+              align="center"
+              height="100%"
+              display="flex"
+              flexDirection="column"
+              textAlign="left"
+              isLazy
+            >
+              <TabList background="gray.50">
+                <Tab>Explorer</Tab>
+                <Tab>UI Tree</Tab>
+                <Tab>State</Tab>
+              </TabList>
+              <TabPanels flex="1" overflow="auto">
+                <TabPanel>
+                  <Explorer appStorage={appStorage} />
+                </TabPanel>
+                <TabPanel p={0}>
+                  <StructureTree
+                    components={components}
+                    selectedComponentId={editorStore.selectedComponentId}
+                    onSelectComponent={id => editorStore.setSelectedComponentId(id)}
+                    registry={registry}
+                  />
+                </TabPanel>
+                <TabPanel p={0} height="100%">
+                  <StateEditor code={JSON.stringify(stateStore, null, 2)} />
+                </TabPanel>
+              </TabPanels>
+            </Tabs>
           </Box>
           {appBox}
-        </Flex>
-      );
-    }
-    return (
-      <>
-        <Box width="280px" borderRightWidth="1px" borderColor="gray.200">
-          <Tabs
-            align="center"
-            height="100%"
-            display="flex"
-            flexDirection="column"
-            textAlign="left"
-            isLazy
-          >
-            <TabList background="gray.50">
-              <Tab>Explorer</Tab>
-              <Tab>UI Tree</Tab>
-              <Tab>State</Tab>
-            </TabList>
-            <TabPanels flex="1" overflow="auto">
-              <TabPanel>
-                <Explorer appStorage={appStorage} />
-              </TabPanel>
-              <TabPanel p={0}>
-                <StructureTree
-                  components={components}
-                  selectedComponentId={selectedComponentId}
-                  onSelectComponent={id => setSelectedComponentId(id)}
-                  registry={registry}
-                />
-              </TabPanel>
-              <TabPanel p={0} height="100%">
-                <StateEditor code={JSON.stringify(stateStore, null, 2)} />
-              </TabPanel>
-            </TabPanels>
-          </Tabs>
-        </Box>
-        {appBox}
-        <Box width="320px" borderLeftWidth="1px" borderColor="gray.200" overflow="auto">
-          <Tabs
-            align="center"
-            textAlign="left"
-            height="100%"
-            display="flex"
-            flexDirection="column"
-          >
-            <TabList background="gray.50">
-              <Tab>Inspect</Tab>
-              <Tab>Insert</Tab>
-            </TabList>
-            <TabPanels flex="1" overflow="auto">
-              <TabPanel p={0}>
-                <ComponentForm
-                  app={app}
-                  selectedId={selectedComponentId}
-                  registry={registry}
-                  appModelManager={appModelManager}
-                />
-              </TabPanel>
-              <TabPanel p={0}>
-                <ComponentList registry={registry} />
-              </TabPanel>
-            </TabPanels>
-          </Tabs>
-        </Box>
-      </>
-    );
-  };
-
-  return (
-    <KeyboardEventWrapper selectedComponentId={selectedComponentId}>
-      <Box display="flex" height="100%" width="100%" flexDirection="column">
-        <EditorHeader
-          scale={scale}
-          setScale={setScale}
-          onPreview={() => setPreview(true)}
-          codeMode={codeMode}
-          onCodeMode={v => {
-            setCodeMode(v);
-            if (!v && code) {
-              eventBus.send('operation', new ReplaceAppLeafOperation(JSON.parse(code)));
-            }
-          }}
-        />
-        <Box display="flex" flex="1" overflow="auto">
-          {renderMain()}
-        </Box>
-      </Box>
-      {preview && (
-        <PreviewModal onClose={() => setPreview(false)}>
-          <Box width="100%" height="100%">
-            <App
-              options={JSON.parse(JSON.stringify(app))}
-              debugEvent={false}
-              debugStore={false}
-            />
+          <Box width="320px" borderLeftWidth="1px" borderColor="gray.200" overflow="auto">
+            <Tabs
+              align="center"
+              textAlign="left"
+              height="100%"
+              display="flex"
+              flexDirection="column"
+            >
+              <TabList background="gray.50">
+                <Tab>Inspect</Tab>
+                <Tab>Insert</Tab>
+              </TabList>
+              <TabPanels flex="1" overflow="auto">
+                <TabPanel p={0}>
+                  <ComponentForm
+                    app={app}
+                    selectedId={editorStore.selectedComponentId}
+                    registry={registry}
+                    appModelManager={appModelManager}
+                  />
+                </TabPanel>
+                <TabPanel p={0}>
+                  <ComponentList registry={registry} />
+                </TabPanel>
+              </TabPanels>
+            </Tabs>
           </Box>
-        </PreviewModal>
-      )}
-    </KeyboardEventWrapper>
-  );
-};
+        </>
+      );
+    };
+
+    return (
+      <KeyboardEventWrapper selectedComponentId={editorStore.selectedComponentId}>
+        <Box display="flex" height="100%" width="100%" flexDirection="column">
+          <EditorHeader
+            scale={scale}
+            setScale={setScale}
+            onPreview={() => setPreview(true)}
+            codeMode={codeMode}
+            onCodeMode={v => {
+              setCodeMode(v);
+              if (!v && code) {
+                eventBus.send('operation', new ReplaceAppLeafOperation(JSON.parse(code)));
+              }
+            }}
+          />
+          <Box display="flex" flex="1" overflow="auto">
+            {renderMain()}
+          </Box>
+        </Box>
+        {preview && (
+          <PreviewModal onClose={() => setPreview(false)}>
+            <Box width="100%" height="100%">
+              <App
+                options={JSON.parse(JSON.stringify(app))}
+                debugEvent={false}
+                debugStore={false}
+              />
+            </Box>
+          </PreviewModal>
+        )}
+      </KeyboardEventWrapper>
+    );
+  }
+);
diff --git a/packages/editor/src/eventBus.ts b/packages/editor/src/eventBus.ts
index b2424dec..80ec9d76 100644
--- a/packages/editor/src/eventBus.ts
+++ b/packages/editor/src/eventBus.ts
@@ -3,17 +3,14 @@ import { Application, ApplicationComponent } from '@sunmao-ui/core';
 import { IOperation } from './operations/type';
 import { ImplementedRuntimeModule } from '../../runtime/lib';
 
-export const SelectComponentEvent = 'selectComponent';
-export const HoverComponentEvent = 'hoverComponent';
-
 export type EventNames = {
   operation: IOperation;
   redo: undefined;
   undo: undefined;
   componentsReload: ApplicationComponent[];
   componentsChange: ApplicationComponent[];
-  [SelectComponentEvent]: string;
-  [HoverComponentEvent]: string;
+  selectComponent: string;
+  hoverComponent: string;
 
   // for state decorators
   appChange: Application;
diff --git a/packages/editor/src/operations/leaf/updateSelectComponentLeafOperation.ts b/packages/editor/src/operations/leaf/updateSelectComponentLeafOperation.ts
index 34f130f3..b00c0b0f 100644
--- a/packages/editor/src/operations/leaf/updateSelectComponentLeafOperation.ts
+++ b/packages/editor/src/operations/leaf/updateSelectComponentLeafOperation.ts
@@ -1,5 +1,5 @@
 import { ApplicationComponent } from '@sunmao-ui/core';
-import { eventBus, SelectComponentEvent } from '../../eventBus';
+import { eventBus } from '../../eventBus';
 import { BaseLeafOperation } from '../type';
 
 export type UpdateSelectComponentLeafOperationContext = {
@@ -12,21 +12,21 @@ export class UpdateSelectComponentLeafOperation extends BaseLeafOperation<Update
   do(prev: ApplicationComponent[]): ApplicationComponent[] {
     this.prevId = this.context.componentId || prev[0].id;
     setTimeout(() => {
-      eventBus.send(SelectComponentEvent, this.context.newId);
+      eventBus.send('selectComponent', this.context.newId);
     });
     return prev;
   }
 
   redo(prev: ApplicationComponent[]): ApplicationComponent[] {
     setTimeout(() => {
-      eventBus.send(SelectComponentEvent, this.context.newId);
+      eventBus.send('selectComponent', this.context.newId);
     });
     return prev;
   }
 
   undo(prev: ApplicationComponent[]): ApplicationComponent[] {
     setTimeout(() => {
-      eventBus.send(SelectComponentEvent, this.prevId);
+      eventBus.send('selectComponent', this.prevId);
     });
     return prev;
   }
diff --git a/yarn.lock b/yarn.lock
index 8ae2cf16..32adfcf9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7264,6 +7264,16 @@ mkdirp@^1.0.3, mkdirp@^1.0.4:
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
   integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
+mobx-react-lite@^3.2.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/mobx-react-lite/-/mobx-react-lite-3.2.2.tgz#cee5f09e6b0e4d2705d87276baf1de74d997fa33"
+  integrity sha512-FxJJMqmHcnQYOVVs2DdjNHioGlFsXF5/9VHztS9NAfIT3DYrxNZzVi119Zr/OmlWKkWNkAsssSNzPkqautfL4A==
+
+mobx@^6.3.8:
+  version "6.3.8"
+  resolved "https://registry.yarnpkg.com/mobx/-/mobx-6.3.8.tgz#a4654b1b69c683237f2444cf0af39a621d4611af"
+  integrity sha512-RfG2y766P1o9u9xrQht/HBXEoUPIr4B3Gjri3reLW/TuHm3I/3TfBBS0OaeMbw19RIF0AymqjDNlJgakN4ZK7g==
+
 modify-values@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/modify-values/-/modify-values-1.0.1.tgz#b3939fa605546474e3e3e3c63d64bd43b4ee6022"