message: fix: fix some syntax error in util
diff: @@ -65,7 +65,7 @@ export function $override(name, fn) {
  * @return {*} new
  */
  export function clone(source) {
  - if (source == null || typeof source != 'object') {
  + if (source == null || typeof source !== 'object') {
  return source;
  }
  @@ -272,10 +272,10 @@ export function isArrayLike(data) {
  if (!data) {
  return;
  }
  - if (typeof data == 'string') {
  + if (typeof data === 'string') {
  return false;
  }
  - return typeof data.length == 'number';
  + return typeof data.length === 'number';
  }
  /**
  @@ -459,7 +459,7 @@ export function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  - return type === 'function' || (!!value && type == 'object');
  + return type === 'function' || (!!value && type === 'object');
  }
  /**
  