diff --git a/docs/changes.md b/docs/changes.md
index 1b45e4829..98b01f1cf 100644
--- a/docs/changes.md
+++ b/docs/changes.md
@@ -7,6 +7,7 @@
   * 修复 tkc/event.c/event.h 中的错误（感谢忠吉提供补丁）
   * 修复 text\_selector 控件空选项时候选值出错问题（感谢智明提供补丁）
   * edit 控件的 text 值设置为错误的值时没有正确显示 error 状态和一开始 xml 上面设置错误值没有正确显示 error 状态（感谢智明提供补丁）
+  * 修改edit和mledit的边距属性以及优化了这两个控件的结构体布局（感谢智明提供补丁）
 
 2021/01/12
   * 增加函数 tk\_atoul
diff --git a/src/base/text_edit.c b/src/base/text_edit.c
index 3470e24b1..ecf9b33db 100644
--- a/src/base/text_edit.c
+++ b/src/base/text_edit.c
@@ -111,64 +111,28 @@ static align_h_t widget_get_text_align_h(widget_t* widget) {
   return (align_h_t)style_get_int(widget->astyle, STYLE_ID_TEXT_ALIGN_H, ALIGN_H_LEFT);
 }
 
+#define TEXT_EDIT_GET_WIDGET_MARGIN(widget, style, out_value, type) {                      \
+  value_t v;                                                                               \
+  value_set_int(&v, 0);                                                                    \
+  if (widget_get_prop((widget), WIDGET_PROP_##type##_MARGIN, &v) == RET_OK) {              \
+    (out_value) = value_int(&v);                                                           \
+  }                                                                                        \
+  TEXT_EDIT_GET_STYLE_MARGIN(style, out_value, type)                                       \
+}                                                                                          \
+
 static ret_t widget_get_text_layout_info(widget_t* widget, text_layout_info_t* info) {
-  value_t v;
   style_t* style = widget->astyle;
   return_value_if_fail(widget != NULL && info != NULL && style != NULL, RET_BAD_PARAMS);
 
-  value_set_int(&v, 0);
   info->widget_w = widget->w;
   info->widget_h = widget->h;
   info->virtual_w = widget->w;
   info->virtual_h = widget->h;
 
-  if (widget_get_prop(widget, WIDGET_PROP_LEFT_MARGIN, &v) == RET_OK) {
-    info->margin_l = value_int(&v);
-  }
-
-  if (info->margin_l == 0) {
-    info->margin_l = style_get_int(style, STYLE_ID_MARGIN_LEFT, 1);
-  }
-
-  if (info->margin_l == 0) {
-    info->margin_l = style_get_int(style, STYLE_ID_MARGIN, 1);
-  }
-
-  if (widget_get_prop(widget, WIDGET_PROP_RIGHT_MARGIN, &v) == RET_OK) {
-    info->margin_r = value_int(&v);
-  }
-
-  if (info->margin_r == 0) {
-    info->margin_r = style_get_int(style, STYLE_ID_MARGIN_RIGHT, 1);
-  }
-
-  if (info->margin_r == 0) {
-    info->margin_r = style_get_int(style, STYLE_ID_MARGIN, 1);
-  }
-
-  if (widget_get_prop(widget, WIDGET_PROP_TOP_MARGIN, &v) == RET_OK) {
-    info->margin_t = value_int(&v);
-  }
-
-  if (info->margin_t == 0) {
-    info->margin_t = style_get_int(style, STYLE_ID_MARGIN_TOP, 1);
-  }
-
-  if (info->margin_t == 0) {
-    info->margin_t = style_get_int(style, STYLE_ID_MARGIN, 1);
-  }
-
-  if (widget_get_prop(widget, WIDGET_PROP_BOTTOM_MARGIN, &v) == RET_OK) {
-    info->margin_b = value_int(&v);
-  }
-
-  if (info->margin_b == 0) {
-    info->margin_b = style_get_int(style, STYLE_ID_MARGIN_BOTTOM, 1);
-  }
-
-  if (info->margin_b == 0) {
-    info->margin_b = style_get_int(style, STYLE_ID_MARGIN, 1);
-  }
+  TEXT_EDIT_GET_WIDGET_MARGIN(widget, style, info->margin_l, LEFT);
+  TEXT_EDIT_GET_WIDGET_MARGIN(widget, style, info->margin_r, RIGHT);
+  TEXT_EDIT_GET_WIDGET_MARGIN(widget, style, info->margin_t, TOP);
+  TEXT_EDIT_GET_WIDGET_MARGIN(widget, style, info->margin_b, BOTTOM);
 
   info->w = info->widget_w - info->margin_l - info->margin_r;
   info->h = info->widget_h - info->margin_t - info->margin_b;
@@ -724,6 +688,7 @@ static ret_t text_edit_do_paint(text_edit_t* text_edit, canvas_t* c) {
   return_value_if_fail(text_edit != NULL && c != NULL, RET_BAD_PARAMS);
 
   widget_prepare_text_style(text_edit->widget, c);
+  widget_get_text_layout_info(text_edit->widget, &(impl->layout_info));
 
   new_line_height = c->font_size * FONT_BASELINE;
   is_notify = impl->line_height != new_line_height;
diff --git a/src/base/text_edit.h b/src/base/text_edit.h
index 21684ab24..b828c0420 100644
--- a/src/base/text_edit.h
+++ b/src/base/text_edit.h
@@ -26,6 +26,15 @@
 
 BEGIN_C_DECLS
 
+#define TEXT_EDIT_GET_STYLE_MARGIN(style, out_value, type) {                               \
+  if ((out_value) == 0) {                                                                  \
+    (out_value) = style_get_int((style), STYLE_ID_MARGIN_##type, 0);                     \
+  }                                                                                        \
+  if ((out_value) == 0) {                                                                  \
+    (out_value) = style_get_int((style), STYLE_ID_MARGIN, 0);                              \
+  }                                                                                        \
+}                                                                                          \
+
 /**
  * @class text_edit_state_t
  */
diff --git a/src/ext_widgets/mledit/mledit.c b/src/ext_widgets/mledit/mledit.c
index c618ecb7c..0ce9259dd 100644
--- a/src/ext_widgets/mledit/mledit.c
+++ b/src/ext_widgets/mledit/mledit.c
@@ -190,16 +190,42 @@ static ret_t mledit_get_prop(widget_t* widget, const char* name, value_t* v) {
     value_set_int(v, mledit->scroll_line);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_LEFT_MARGIN)) {
-    value_set_int(v, mledit->left_margin);
+    uint32_t margin = 0;
+    if (widget->astyle != NULL) {
+      TEXT_EDIT_GET_STYLE_MARGIN(widget->astyle, margin, LEFT);
+    }
+    if (margin == 0) {
+      margin = mledit->left_margin != 0 ? mledit->left_margin : mledit->margin;
+    }
+    value_set_int(v, margin);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_RIGHT_MARGIN)) {
-    value_set_int(v, mledit->right_margin);
+    uint32_t margin = 0;
+    if (widget->astyle != NULL) {
+      TEXT_EDIT_GET_STYLE_MARGIN(widget->astyle, margin, RIGHT);
+    }
+    if (margin == 0) {
+      margin = mledit->right_margin != 0 ? mledit->right_margin : mledit->margin;
+    }
+    value_set_int(v, margin);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_TOP_MARGIN)) {
-    value_set_int(v, mledit->top_margin);
+    uint32_t margin = 0;
+    if (widget->astyle != NULL) {
+      TEXT_EDIT_GET_STYLE_MARGIN(widget->astyle, margin, TOP);
+    }
+    if (margin == 0) {
+      margin = mledit->top_margin != 0 ? mledit->top_margin : mledit->margin;
+    }
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_BOTTOM_MARGIN)) {
-    value_set_int(v, mledit->bottom_margin);
+    uint32_t margin = 0;
+    if (widget->astyle != NULL) {
+      TEXT_EDIT_GET_STYLE_MARGIN(widget->astyle, margin, BOTTOM);
+    }
+    if (margin == 0) {
+      margin = mledit->bottom_margin != 0 ? mledit->bottom_margin : mledit->margin;
+    }
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_TIPS)) {
     value_set_str(v, mledit->tips);
@@ -243,7 +269,8 @@ static ret_t mledit_get_prop(widget_t* widget, const char* name, value_t* v) {
   return RET_NOT_FOUND;
 }
 
-static inline void mledit_reset_text_edit_layout(text_edit_t* text_edit) {
+static void mledit_reset_text_edit_layout(text_edit_t* text_edit) {
+  text_edit_layout(text_edit);
   text_edit_set_offset(text_edit, 0, 0);
   text_edit_set_select(text_edit, 0, 0);
   text_edit_set_cursor(text_edit, text_edit_get_cursor(text_edit));
@@ -296,11 +323,7 @@ static ret_t mledit_set_prop(widget_t* widget, const char* name, const value_t*
     mledit->close_im_when_blured = value_bool(v);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_MARGIN)) {
-    int margin = value_int(v);
-    mledit->left_margin = margin;
-    mledit->right_margin = margin;
-    mledit->top_margin = margin;
-    mledit->bottom_margin = margin;
+    mledit->margin = value_int(v);
     mledit_reset_text_edit_layout(mledit->model);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_LEFT_MARGIN)) {
@@ -866,10 +889,11 @@ widget_t* mledit_create(widget_t* parent, xy_t x, xy_t y, wh_t w, wh_t h) {
 
   mledit->model = text_edit_create(widget, FALSE);
   ENSURE(mledit->model != NULL);
-  mledit->left_margin = 1;
-  mledit->top_margin = 1;
-  mledit->right_margin = 1;
-  mledit->bottom_margin = 1;
+  mledit->margin = 1;
+  mledit->top_margin = 0;
+  mledit->left_margin = 0;
+  mledit->right_margin = 0;
+  mledit->bottom_margin = 0;
   mledit->scroll_line = 1.0f;
   wstr_init(&(mledit->temp), 0);
   widget_set_text(widget, L"");
diff --git a/src/ext_widgets/mledit/mledit.h b/src/ext_widgets/mledit/mledit.h
index dc360a74a..4359541e2 100644
--- a/src/ext_widgets/mledit/mledit.h
+++ b/src/ext_widgets/mledit/mledit.h
@@ -59,36 +59,6 @@ BEGIN_C_DECLS
 typedef struct _mledit_t {
   widget_t widget;
 
-  /**
-   * @property {bool_t} readonly
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 编辑器是否为只读。
-   */
-  bool_t readonly;
-  /**
-   * @property {uint8_t} top_margin
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 上边距。
-   */
-  uint8_t top_margin;
-  /**
-   * @property {uint8_t} bottom_margin
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 下边距。
-   */
-  uint8_t bottom_margin;
-  /**
-   * @property {uint8_t} left_margin
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 左边距。
-   */
-  uint8_t left_margin;
-  /**
-   * @property {uint8_t} right_margin
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 右边距。
-   */
-  uint8_t right_margin;
   /**
    * @property {char*} tips
    * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
@@ -108,13 +78,6 @@ typedef struct _mledit_t {
    */
   char* keyboard;
 
-  /**
-   * @property {bool_t} wrap_word
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 是否自动折行。
-   */
-  bool_t wrap_word;
-
   /**
    * @property {uint32_t} max_lines
    * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
@@ -122,12 +85,24 @@ typedef struct _mledit_t {
    */
   uint32_t max_lines;
 
+  /**
+   * @property {bool_t} wrap_word
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 是否自动折行。
+   */
+  bool_t wrap_word;
   /**
    * @property {uint32_t} scroll_line
    * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
    * 鼠标一次滚动行数。
    */
   uint32_t scroll_line;
+  /**
+   * @property {bool_t} readonly
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 编辑器是否为只读。
+   */
+  bool_t readonly;
 
   /**
    * @property {bool_t} cancelable
@@ -155,6 +130,12 @@ typedef struct _mledit_t {
    */
   bool_t close_im_when_blured;
   /*private*/
+  uint8_t margin;
+  uint8_t top_margin;
+  uint8_t left_margin;
+  uint8_t right_margin;
+  uint8_t bottom_margin;
+
   text_edit_t* model;
   uint32_t timer_id;
 
diff --git a/src/widgets/edit.c b/src/widgets/edit.c
index 433df5966..f655309f3 100644
--- a/src/widgets/edit.c
+++ b/src/widgets/edit.c
@@ -44,6 +44,7 @@
 #define PASSWORD_MASK_CHAR '*'
 
 static ret_t edit_auto_fix(widget_t* widget);
+static ret_t edit_reset_layout(widget_t* widget);
 static ret_t edit_update_status(widget_t* widget);
 static ret_t edit_pre_input(widget_t* widget, uint32_t key);
 static ret_t edit_select_all_async(const idle_info_t* info);
@@ -702,8 +703,7 @@ ret_t edit_on_event(widget_t* widget, event_t* e) {
 
   if (edit->readonly) {
     if (type == EVT_RESIZE || type == EVT_MOVE_RESIZE) {
-      text_edit_layout(edit->model);
-      widget_invalidate(widget, NULL);
+      edit_reset_layout(widget);
     }
     return RET_OK;
   }
@@ -825,8 +825,7 @@ ret_t edit_on_event(widget_t* widget, event_t* e) {
     }
     case EVT_RESIZE:
     case EVT_MOVE_RESIZE: {
-      text_edit_layout(edit->model);
-      widget_invalidate(widget, NULL);
+      edit_reset_layout(widget);
       break;
     }
     case EVT_VALUE_CHANGING: {
@@ -1045,6 +1044,14 @@ static ret_t edit_apply_tr_text_before_paint(void* ctx, event_t* e) {
   return RET_REMOVE;
 }
 
+static ret_t edit_reset_layout(widget_t* widget) {
+  edit_t* edit = EDIT(widget);
+  return_value_if_fail(edit != NULL, RET_BAD_PARAMS);
+  text_edit_layout(edit->model);
+  widget_invalidate(widget, NULL);
+  return RET_OK;
+}
+
 ret_t edit_set_tr_tips(widget_t* widget, const char* tr_tips) {
   edit_t* edit = EDIT(widget);
   widget_t* win = widget_get_window(widget);
@@ -1130,16 +1137,44 @@ ret_t edit_get_prop(widget_t* widget, const char* name, value_t* v) {
     value_set_bool(v, edit->close_im_when_blured);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_LEFT_MARGIN)) {
-    value_set_int(v, edit->left_margin);
+    uint32_t margin = 0;
+    if (widget->astyle != NULL) {
+      TEXT_EDIT_GET_STYLE_MARGIN(widget->astyle, margin, LEFT);
+    }
+    if (margin == 0) {
+      margin = edit->left_margin != 0 ? edit->left_margin : edit->margin;
+    }
+    value_set_int(v, margin);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_RIGHT_MARGIN)) {
-    value_set_int(v, edit->right_margin);
+    uint32_t margin = 0;
+    if (widget->astyle != NULL) {
+      TEXT_EDIT_GET_STYLE_MARGIN(widget->astyle, margin, RIGHT);
+    }
+    if (margin == 0) {
+      margin = edit->right_margin != 0 ? edit->right_margin : edit->margin;
+    }
+    value_set_int(v, margin);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_TOP_MARGIN)) {
-    value_set_int(v, edit->top_margin);
+    uint32_t margin = 0;
+    if (widget->astyle != NULL) {
+      TEXT_EDIT_GET_STYLE_MARGIN(widget->astyle, margin, TOP);
+    }
+    if (margin == 0) {
+      margin = edit->top_margin != 0 ? edit->top_margin : edit->margin;
+    }
+    value_set_int(v, margin);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_BOTTOM_MARGIN)) {
-    value_set_int(v, edit->bottom_margin);
+    uint32_t margin = 0;
+    if (widget->astyle != NULL) {
+      TEXT_EDIT_GET_STYLE_MARGIN(widget->astyle, margin, BOTTOM);
+    }
+    if (margin == 0) {
+      margin = edit->bottom_margin != 0 ? edit->bottom_margin : edit->margin;
+    }
+    value_set_int(v, margin);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_PASSWORD_VISIBLE)) {
     value_set_bool(v, edit->password_visible);
@@ -1284,22 +1319,24 @@ ret_t edit_set_prop(widget_t* widget, const char* name, const value_t* v) {
     edit->close_im_when_blured = value_bool(v);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_MARGIN)) {
-    int margin = value_int(v);
-    edit->left_margin = margin;
-    edit->right_margin = margin;
-    edit->top_margin = margin;
-    edit->bottom_margin = margin;
+    edit->margin = value_int(v);
+    edit_reset_layout(widget);
+    return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_LEFT_MARGIN)) {
     edit->left_margin = value_int(v);
+    edit_reset_layout(widget);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_RIGHT_MARGIN)) {
     edit->right_margin = value_int(v);
+    edit_reset_layout(widget);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_TOP_MARGIN)) {
     edit->top_margin = value_int(v);
+    edit_reset_layout(widget);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_BOTTOM_MARGIN)) {
     edit->bottom_margin = value_int(v);
+    edit_reset_layout(widget);
     return RET_OK;
   } else if (tk_str_eq(name, WIDGET_PROP_PASSWORD_VISIBLE)) {
     edit_set_password_visible(widget, value_bool(v));
@@ -1689,10 +1726,11 @@ widget_t* edit_create_ex(widget_t* parent, const widget_vtable_t* vt, xy_t x, xy
   edit_t* edit = EDIT(widget);
   return_value_if_fail(edit != NULL, NULL);
 
-  edit->left_margin = 2;
-  edit->right_margin = 2;
-  edit->top_margin = 2;
-  edit->bottom_margin = 2;
+  edit->margin = 2;
+  edit->top_margin = 0;
+  edit->left_margin = 0;
+  edit->right_margin = 0;
+  edit->bottom_margin = 0;
   edit->close_im_when_blured = TRUE;
   edit->open_im_when_focused = TRUE;
   edit_set_text_limit(widget, 0, 1024);
diff --git a/src/widgets/edit.h b/src/widgets/edit.h
index 7e152d6ed..a9fcfe335 100644
--- a/src/widgets/edit.h
+++ b/src/widgets/edit.h
@@ -99,6 +99,68 @@ typedef bool_t (*edit_is_valid_char_t)(widget_t* widget, wchar_t c);
 typedef struct _edit_t {
   widget_t widget;
 
+  /**
+   * @property {char*} tips
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 输入提示。
+   */
+  char* tips;
+
+  /**
+   * @property {char*} tr_tips
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 保存用于翻译的提示信息。
+   */
+  char* tr_tips;
+
+  /**
+   * @property {char*} action_text
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 软键盘上action按钮的文本。内置取值有：
+   * 
+   * * next 将焦点切换到下一个控件。
+   * * done 完成，关闭软键盘。
+   * 
+   * 也可以使用其它文本，比如send表示发送。这个需要自己实现相应的功能，处理EVT\_IM\_ACTION事件即可。
+   * 
+   */
+  char* action_text;
+
+  /**
+   * @property {char*} keyboard
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 自定义软键盘名称。AWTK优先查找keyboard属性设置的键盘文件名（该键盘的XML文件需要在default\raw\ui目录下存在），如果keyboard为空就找input_type设置的键盘类型
+   */
+  char* keyboard;
+
+  /**
+   * @property {double} min
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 最小值或最小长度。
+   */
+  double min;
+
+  /**
+   * @property {double} max
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 最大值或最大长度。
+   */
+  double max;
+
+  /**
+   * @property {double} step
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 步长。
+   * 作为数值型编辑器时，一次增加和减少时的数值。
+   */
+  double step;
+
+  /**
+   * @property {input_type_t} input_type
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 输入类型。
+   */
+  input_type_t input_type;
   /**
    * @property {bool_t} readonly
    * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
@@ -141,93 +203,6 @@ typedef struct _edit_t {
    *
    */
   bool_t close_im_when_blured;
-  /**
-   * @property {uint8_t} top_margin
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 上边距。
-   */
-  uint8_t top_margin;
-  /**
-   * @property {uint8_t} bottom_margin
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 下边距。
-   */
-  uint8_t bottom_margin;
-  /**
-   * @property {uint8_t} left_margin
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 左边距。
-   */
-  uint8_t left_margin;
-  /**
-   * @property {uint8_t} right_margin
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 右边距。
-   */
-  uint8_t right_margin;
-
-  /**
-   * @property {char*} tips
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 输入提示。
-   */
-  char* tips;
-
-  /**
-   * @property {char*} tr_tips
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 保存用于翻译的提示信息。
-   */
-  char* tr_tips;
-
-  /**
-   * @property {char*} action_text
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 软键盘上action按钮的文本。内置取值有：
-   * 
-   * * next 将焦点切换到下一个控件。
-   * * done 完成，关闭软键盘。
-   * 
-   * 也可以使用其它文本，比如send表示发送。这个需要自己实现相应的功能，处理EVT\_IM\_ACTION事件即可。
-   * 
-   */
-  char* action_text;
-
-  /**
-   * @property {char*} keyboard
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 自定义软键盘名称。AWTK优先查找keyboard属性设置的键盘文件名（该键盘的XML文件需要在default\raw\ui目录下存在），如果keyboard为空就找input_type设置的键盘类型
-   */
-  char* keyboard;
-
-  /**
-   * @property {input_type_t} input_type
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 输入类型。
-   */
-  input_type_t input_type;
-
-  /**
-   * @property {double} min
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 最小值或最小长度。
-   */
-  double min;
-
-  /**
-   * @property {double} max
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 最大值或最大长度。
-   */
-  double max;
-
-  /**
-   * @property {double} step
-   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
-   * 步长。
-   * 作为数值型编辑器时，一次增加和减少时的数值。
-   */
-  double step;
   /**
    * @property {bool_t} cancelable
    * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
@@ -239,6 +214,12 @@ typedef struct _edit_t {
   bool_t cancelable;
 
   /*private*/
+  uint8_t margin;
+  uint8_t top_margin;
+  uint8_t bottom_margin;
+  uint8_t left_margin;
+  uint8_t right_margin;
+
   uint32_t idle_id;
   uint32_t timer_id;
   text_edit_t* model;