diff --git a/case/test_dde_1892487.py b/case/test_dde_1892487.py
new file mode 100644
index 0000000000000000000000000000000000000000..ee54b0a8f854b4c35d78f7175ded6729ac412142
--- /dev/null
+++ b/case/test_dde_1892487.py
@@ -0,0 +1,48 @@
+
+from apps.dde_autotest_euler.case.base_case import BaseCase
+from apps.dde_autotest_euler.method.dde_method import DdeMethod
+from apps.dde_autotest_euler.method.vender.dde_dock_method import DdeDockMethod
+
+from src import CmdCtl as Cmd
+from src import Src, sleep
+
+
+class TestDdeCase(BaseCase):
+
+    def setup(self):
+        self.notify_loc = DdeDockMethod().get_x_y_by_img("dock_notify_icon.png")
+
+    def test_dde_1892487(self):
+
+        DdeDockMethod.click(*self.notify_loc)
+        self.assert_ocr_exist("通知中心")
+
+        DdeMethod().click_restore()
+
+        # 悬浮显示提示
+        Src.move_to(*self.notify_loc)
+        sleep(2)
+        self.assert_ocr_exist("暂无新消息")
+
+        # 发送通知
+        Cmd.run_cmd("notify-send hello world")
+
+        # 悬浮显示已有通知
+        DdeMethod().click_restore()
+        sleep(5)
+        Src.move_to(*self.notify_loc)
+        sleep(2)
+        self.assert_ocr_exist("1条通知")
+
+        DdeDockMethod().click(self.notify_loc)
+        self.assert_ocr_exist("hello")
+        self.assert_ocr_exist("world")
+        DdeMethod().click_restore()
+        sleep(1)
+
+    def teardown(self):
+        DdeDockMethod().click(*self.notify_loc)
+        sleep(1)
+        clean_loc = DdeDockMethod().get_x_y_by_img("notify_clean_btn.png")
+        DdeDockMethod().click(*clean_loc)
+        DdeMethod().click_restore()
diff --git a/dde.csv b/dde.csv
index 5348800e7970476ec4ca6e915da7d1a5b4c9a3cc..da288f1aa019c803a034ab4397aac1fdb125468a 100644
--- a/dde.csv
+++ b/dde.csv
@@ -79,3 +79,4 @@
 1893225,,,
 1893223,,,
 1893491,,,
+1892487,,,
diff --git a/method/image_res/dock_notify_icon.png b/method/image_res/dock_notify_icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..7a7b31892c4b10dc60607a73cc2f30647ab95e1b
Binary files /dev/null and b/method/image_res/dock_notify_icon.png differ
diff --git a/method/image_res/notify_clean_btn.png b/method/image_res/notify_clean_btn.png
new file mode 100644
index 0000000000000000000000000000000000000000..0975e424d78dd1f60d63186d9599f7d5ae5e48a7
Binary files /dev/null and b/method/image_res/notify_clean_btn.png differ