diff --git a/case/test_dde_1892511.py b/case/test_dde_1892511.py
index 898dd556665fd1900dbcd381701d5d2d491b91aa..366b2546c4f1a18abbdd902a107ffd3ba2af495a 100644
--- a/case/test_dde_1892511.py
+++ b/case/test_dde_1892511.py
@@ -22,6 +22,29 @@ class TestDdeCase(BaseCase):
         sleep(5)
         self.assert_process_status(True, "deepin-font-manager")
 
+    def test_dde_1892511_3(self):
+        """桌面打开字体管理器"""
+        euler = DdeMethod()
+        euler.dde_dock.click_launcher_btn_by_attr()
+        euler.dde_launcher.click_search_box_by_attr()
+        Src.input("ziti")
+        sleep(3)
+        euler.dde_launcher.right_click_by_attr("字体管理器")
+        Src.select_menu(2)
+        sleep(1)
+        Src.esc()
+        euler.click_restore()
+        sleep(1)
+        euler.dde_dock.double_click_by_img("deepin-font_icon.png")
+        sleep(5)
+        self.assert_process_status(True, "deepin-font-manager")
+        DdeMethod().kill_process("deepin-font-manager")
+        sleep(3)
+        euler.dde_dock.right_click_by_img("deepin-font_icon.png")
+        Src.select_menu(1)
+        sleep(5)
+        self.assert_process_status(True, "deepin-font-manager")
+
     @pytest.fixture(autouse=True)
     def clear(self):
         DdeMethod().kill_process("deepin-font-manager")
diff --git a/method/image_res/deepin-font_icon.png b/method/image_res/deepin-font_icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..800ee055b17b4632bfa192f6d085cf5d7ca3b710
Binary files /dev/null and b/method/image_res/deepin-font_icon.png differ