diff --git a/src/base/text_edit.c b/src/base/text_edit.c
index b5c24ee64..1f3d570d5 100644
--- a/src/base/text_edit.c
+++ b/src/base/text_edit.c
@@ -1103,6 +1103,12 @@ ret_t text_edit_set_select(text_edit_t* text_edit, uint32_t start, uint32_t end)
   return RET_OK;
 }
 
+ret_t text_edit_select_all(text_edit_t* text_edit) {
+  return_value_if_fail(text_edit != NULL, RET_BAD_PARAMS);
+
+  return text_edit_set_select(text_edit, 0, text_edit->widget->text.size);
+}
+
 ret_t text_edit_unselect(text_edit_t* text_edit) {
   DECL_IMPL(text_edit);
   return_value_if_fail(text_edit != NULL, RET_BAD_PARAMS);
diff --git a/src/base/text_edit.h b/src/base/text_edit.h
index 2695ef376..9542bbcb2 100644
--- a/src/base/text_edit.h
+++ b/src/base/text_edit.h
@@ -152,6 +152,15 @@ ret_t text_edit_key_down(text_edit_t* text_edit, key_event_t* evt);
  */
 ret_t text_edit_set_select(text_edit_t* text_edit, uint32_t start, uint32_t end);
 
+/**
+ * @method text_edit_select_all
+ * 全选。
+ * @param {text_edit_t*} text_edit text_edit对象。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t text_edit_select_all(text_edit_t* text_edit);
+
 /**
  * @method text_edit_unselect
  * 取消选择。
diff --git a/src/widgets/edit.c b/src/widgets/edit.c
index eb3c36ab6..80136799a 100644
--- a/src/widgets/edit.c
+++ b/src/widgets/edit.c
@@ -454,6 +454,13 @@ static ret_t edit_on_key_down(widget_t* widget, key_event_t* e) {
   return RET_STOP;
 }
 
+static ret_t edit_select_all_async(const idle_info_t* info) {
+  edit_t* edit = EDIT(info->ctx);
+  text_edit_select_all(edit->model);
+
+  return RET_REMOVE;
+}
+
 ret_t edit_on_event(widget_t* widget, event_t* e) {
   ret_t ret = RET_OK;
   uint32_t type = e->type;
@@ -534,6 +541,7 @@ ret_t edit_on_event(widget_t* widget, event_t* e) {
 
       if (widget->target == NULL) {
         edit_request_input_method(widget);
+        idle_add(edit_select_all_async, edit);
       }
       break;
     }