diff --git a/deepmd/entrypoints/compress.py b/deepmd/entrypoints/compress.py
index c689481b96..1737ae4a75 100644
--- a/deepmd/entrypoints/compress.py
+++ b/deepmd/entrypoints/compress.py
@@ -101,6 +101,7 @@ def compress(
         10 * step,
         int(frequency),
     ]
+    jdata["training"]["save_ckpt"] = "model-compression/model.ckpt"
     jdata = normalize(jdata)
 
     # check the descriptor info of the input file
diff --git a/deepmd/entrypoints/main.py b/deepmd/entrypoints/main.py
index bef0d2bf58..721eed357c 100644
--- a/deepmd/entrypoints/main.py
+++ b/deepmd/entrypoints/main.py
@@ -311,7 +311,7 @@ def parse_args(args: Optional[List[str]] = None):
         "-c",
         "--checkpoint-folder",
         type=str,
-        default=".",
+        default="model-compression",
         help="path to checkpoint folder",
     )
     parser_compress.add_argument(
diff --git a/source/tests/test_model_compression.py b/source/tests/test_model_compression.py
index b183c6bde8..2f42134409 100644
--- a/source/tests/test_model_compression.py
+++ b/source/tests/test_model_compression.py
@@ -15,7 +15,9 @@
     default_places = 10
 
 def _file_delete(file) :
-    if os.path.exists(file):
+    if os.path.isdir(file):
+        os.rmdir(file)
+    elif os.path.isfile(file):
         os.remove(file)
 
 def _subprocess_run(command):
@@ -318,10 +320,17 @@ def tearDownClass(self):
         _file_delete("out.json")
         _file_delete("compress.json")
         _file_delete("checkpoint")
-        _file_delete("lcurve.out")
         _file_delete("model.ckpt.meta")
         _file_delete("model.ckpt.index")
         _file_delete("model.ckpt.data-00000-of-00001")
+        _file_delete("model.ckpt-100.meta")
+        _file_delete("model.ckpt-100.index")
+        _file_delete("model.ckpt-100.data-00000-of-00001")
+        _file_delete("model-compression/checkpoint")
+        _file_delete("model-compression/model.ckpt.meta")
+        _file_delete("model-compression/model.ckpt.index")
+        _file_delete("model-compression/model.ckpt.data-00000-of-00001")
+        _file_delete("model-compression")
 
     def test_attrs(self):
         self.assertEqual(self.dp_original.get_ntypes(), 2)