diff --git a/packages/editor/src/components/CodeEditor/TernEditor.tsx b/packages/editor/src/components/CodeEditor/TernEditor.tsx
index 3d573ee6..4951c845 100644
--- a/packages/editor/src/components/CodeEditor/TernEditor.tsx
+++ b/packages/editor/src/components/CodeEditor/TernEditor.tsx
@@ -10,20 +10,28 @@ import 'codemirror/lib/codemirror.css';
 import 'codemirror/theme/ayu-mirage.css';
 // tern
 import 'codemirror/addon/tern/tern';
+import 'codemirror/addon/selection/active-line';
+import 'codemirror/addon/comment/comment';
+import 'codemirror/addon/hint/show-hint';
+import 'codemirror/addon/dialog/dialog.css';
+import 'codemirror/addon/hint/show-hint.css';
+import 'codemirror/addon/tern/tern.css';
 import 'tern/plugin/doc_comment';
 import 'tern/plugin/complete_strings';
 import ecma from 'tern/defs/ecmascript.json';
-import { Def } from 'tern';
+import tern, { Def } from 'tern';
+
+(window as unknown as { tern: typeof tern }).tern = tern;
 
 function installTern(cm: CodeMirror.Editor) {
-  const tern = new CodeMirror.TernServer({ defs: [ecma as unknown as Def] });
-  cm.on('cursorActivity', cm => tern.updateArgHints(cm));
+  const t = new CodeMirror.TernServer({ defs: [ecma as unknown as Def] });
+  cm.on('cursorActivity', cm => t.updateArgHints(cm));
   cm.on('change', (_instance, change) => {
     if (change.text.length === 1 && change.text[0] === '.') {
-      tern.complete(cm);
+      t.complete(cm);
     }
   });
-  return tern;
+  return t;
 }
 
 export const TernEditor: React.FC<{
@@ -31,7 +39,8 @@ export const TernEditor: React.FC<{
   onChange?: (v: string) => void;
   onBlur?: (v: string) => void;
   lineNumbers?: boolean;
-}> = ({ defaultCode, onChange, onBlur, lineNumbers = true }) => {
+  defs?: tern.Def[];
+}> = ({ defaultCode, onChange, onBlur, lineNumbers = true, defs }) => {
   const style = css`
     .CodeMirror {
       width: 100%;
@@ -41,6 +50,7 @@ export const TernEditor: React.FC<{
 
   const wrapperEl = useRef<HTMLDivElement>(null);
   const cm = useRef<CodeMirror.Editor | null>(null);
+  const tServer = useRef<tern.Server | null>(null);
   useEffect(() => {
     if (!wrapperEl.current) {
       return;
@@ -64,7 +74,8 @@ export const TernEditor: React.FC<{
         theme: 'ayu-mirage',
         viewportMargin: Infinity,
       });
-      installTern(cm.current);
+      const t = installTern(cm.current);
+      tServer.current = t.server;
     }
     const changeHandler = (instance: CodeMirror.Editor) => {
       onChange?.(instance.getValue());
@@ -79,6 +90,13 @@ export const TernEditor: React.FC<{
       cm.current?.off('blur', blurHandler);
     };
   }, [defaultCode]);
+  useEffect(() => {
+    if (defs) {
+      console.log(tServer.current, 'add', defs);
+      tServer.current?.deleteDefs('customDataTree');
+      tServer.current?.addDefs(defs[0] as any, true);
+    }
+  }, [defs]);
 
   return <Box css={style} ref={wrapperEl} height="100%" width="100%"></Box>;
 };
diff --git a/packages/editor/src/components/ComponentForm/JsonSchemaForm/widgets/GeneralWidget.tsx b/packages/editor/src/components/ComponentForm/JsonSchemaForm/widgets/GeneralWidget.tsx
index 63026007..f1cb5a83 100644
--- a/packages/editor/src/components/ComponentForm/JsonSchemaForm/widgets/GeneralWidget.tsx
+++ b/packages/editor/src/components/ComponentForm/JsonSchemaForm/widgets/GeneralWidget.tsx
@@ -1,11 +1,87 @@
-import React from 'react';
+import React, { useEffect, useState } from 'react';
 import { FieldProps } from '../fields';
 import { TernEditor } from 'components/CodeEditor';
+import { stateStore } from 'setup';
+import _ from 'lodash-es';
 
 type Props = FieldProps;
 
+export enum Types {
+  URL = 'URL',
+  STRING = 'STRING',
+  NUMBER = 'NUMBER',
+  BOOLEAN = 'BOOLEAN',
+  OBJECT = 'OBJECT',
+  ARRAY = 'ARRAY',
+  FUNCTION = 'FUNCTION',
+  UNDEFINED = 'UNDEFINED',
+  NULL = 'NULL',
+  UNKNOWN = 'UNKNOWN',
+}
+
+export const getType = (value: unknown) => {
+  if (_.isString(value)) return Types.STRING;
+  if (_.isNumber(value)) return Types.NUMBER;
+  if (_.isBoolean(value)) return Types.BOOLEAN;
+  if (Array.isArray(value)) return Types.ARRAY;
+  if (_.isFunction(value)) return Types.FUNCTION;
+  if (_.isObject(value)) return Types.OBJECT;
+  if (_.isUndefined(value)) return Types.UNDEFINED;
+  if (_.isNull(value)) return Types.NULL;
+  return Types.UNKNOWN;
+};
+
+function generateTypeDef(
+  obj: any
+): string | Record<string, string | Record<string, unknown>> {
+  const type = getType(obj);
+  switch (type) {
+    case Types.ARRAY: {
+      const arrayType = getType(obj[0]);
+      return `[${arrayType}]`;
+    }
+    case Types.OBJECT: {
+      const objType: Record<string, string | Record<string, unknown>> = {};
+      Object.keys(obj).forEach(k => {
+        objType[k] = generateTypeDef(obj[k]);
+      });
+      return objType;
+    }
+    case Types.STRING:
+      return 'string';
+    case Types.NUMBER:
+      return 'number';
+    case Types.BOOLEAN:
+      return 'bool';
+    case Types.NULL:
+    case Types.UNDEFINED:
+      return '?';
+    default:
+      return '?';
+  }
+}
+
+let extraDefs: any = {};
+
+const customTreeTypeDefCreator = (dataTree: Record<string, Record<string, unknown>>) => {
+  const def: any = {
+    '!name': 'customDataTree',
+  };
+  Object.keys(dataTree).forEach(entityName => {
+    const entity = dataTree[entityName];
+    def[entityName] = generateTypeDef(entity);
+  });
+  def['!define'] = { ...extraDefs };
+  extraDefs = {};
+  return { ...def };
+};
+
 const GeneralWidget: React.FC<Props> = props => {
   const { formData, onChange } = props;
+  const [defs, setDefs] = useState<any>();
+  useEffect(() => {
+    setDefs([customTreeTypeDefCreator(stateStore)]);
+  }, []);
 
   return (
     <TernEditor
@@ -14,6 +90,7 @@ const GeneralWidget: React.FC<Props> = props => {
       onBlur={v => {
         onChange(v);
       }}
+      defs={defs}
     />
   );
 };