diff --git a/case/test_dde_1892485.py b/case/test_dde_1892485.py
new file mode 100644
index 0000000000000000000000000000000000000000..2b42e7088a0d2827c814e0c1d38ea8bfd0a40508
--- /dev/null
+++ b/case/test_dde_1892485.py
@@ -0,0 +1,54 @@
+from time import sleep
+from src import Src
+import pytest
+from src import CmdCtl as Cmd
+
+from apps.dde_autotest_euler.case.base_case import BaseCase
+from apps.dde_autotest_euler.method.dde_method import DdeMethod
+
+
+class TestDdeCase(BaseCase):
+
+    def test_dde_1892485_1(self):
+        """启动器打开文件管理器"""
+        euler = DdeMethod()
+        euler.open_software_by_launcher("wenjianguanliqi")
+        sleep(5)
+        self.assert_process_status(True, "dde-file-manager")
+
+    def test_dde_1892485_2(self):
+        """桌面打开文件管理器"""
+        euler = DdeMethod()
+        euler.dde_dock.click_launcher_btn_by_attr()
+        euler.dde_launcher.click_search_box_by_attr()
+        Src.input("wenjianguanliqi")
+        sleep(3)
+        euler.dde_launcher.right_click_by_attr("文件管理器")
+        Src.select_menu(2)
+        sleep(1)
+        Src.esc()
+        euler.click_restore()
+        sleep(1)
+        euler.dde_dock.double_click_by_img("dde_file_manager_icon.png")
+        sleep(5)
+        self.assert_process_status(True, "dde-file-manager")
+        DdeMethod().kill_process("dde-file-manage")
+        sleep(3)
+        euler.dde_dock.right_click_by_img("dde_file_manager_icon.png")
+        Src.select_menu(1)
+        sleep(5)
+        self.assert_process_status(True, "dde-file-manage")
+
+    def test_dde_1892485_3(self):
+        """终端打开文件管理器"""
+        Cmd.run_cmd("dde-file-manager &")
+        sleep(5)
+        self.assert_process_status(True, "dde-file-manage")
+
+    @pytest.fixture(autouse=True)
+    def clear(self):
+        DdeMethod().kill_process("dde-file-manage")
+        yield
+        DdeMethod().kill_process("dde-file-manage")
+        DdeMethod().click_restore()
+        DdeMethod().esc()
diff --git a/dde.csv b/dde.csv
index ff914b7a01992edbbff0a75d04402677853d43b0..9834ea4da78ca3818fc5131601283245e7ad2734 100644
--- a/dde.csv
+++ b/dde.csv
@@ -63,3 +63,4 @@
 1271043,,,
 1271239,,,
 1892483,,,
+1892485,,,
diff --git a/method/image_res/dde_file_manager_icon.png b/method/image_res/dde_file_manager_icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..ee151eed3e58d77ae5b9e35ac32b0a43252a6c3c
Binary files /dev/null and b/method/image_res/dde_file_manager_icon.png differ