diff --git a/.idea/.gitignore b/.idea/.gitignore
deleted file mode 100644
index 26d33521a..000000000
--- a/.idea/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
diff --git a/.idea/icefall.iml b/.idea/icefall.iml
index 5fdd65ba2..aad402c4e 100644
--- a/.idea/icefall.iml
+++ b/.idea/icefall.iml
@@ -1,10 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module type="PYTHON_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
+<module version="4">
   <component name="PyDocumentationSettings">
     <option name="format" value="PLAIN" />
     <option name="myDocStringFormat" value="Plain" />
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index b33405972..000000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/icefall.iml" filepath="$PROJECT_DIR$/.idea/icefall.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 000000000..f6e532ed7
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="d6ad0922-c456-46d9-87be-d7aa462bc482" name="Changes" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/.gitignore" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/icefall.iml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/icefall.iml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/modules.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py" beforeDir="false" afterPath="$PROJECT_DIR$/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py" beforeDir="false" afterPath="$PROJECT_DIR$/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="ProjectColorInfo"><![CDATA[{
+  "customColor": "",
+  "associatedIndex": 0
+}]]></component>
+  <component name="ProjectId" id="2pQ5oxvlsWn1O44ZGruRClpMhsa" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "git-widget-placeholder": "modified"
+  }
+}]]></component>
+  <component name="SharedIndexes">
+    <attachedChunks>
+      <set>
+        <option value="bundled-python-sdk-5b207ade9991-746f403e7f0c-com.jetbrains.pycharm.community.sharedIndexes.bundled-PC-241.17890.14" />
+      </set>
+    </attachedChunks>
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="d6ad0922-c456-46d9-87be-d7aa462bc482" name="Changes" comment="" />
+      <created>1732685638909</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1732685638909</updated>
+    </task>
+    <servers />
+  </component>
+</project>
\ No newline at end of file
diff --git a/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py b/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py
index 52be85072..d68431d96 100755
--- a/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py
+++ b/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py
@@ -52,7 +52,7 @@ def get_parser():
         default=80,
         help="""The number of mel bins for Fbank""",
     )
-    # 修改： 添加 指定参数 speed-perturb
+
     parser.add_argument(
         "--speed-perturb",
         type=bool,
@@ -109,7 +109,7 @@ def compute_fbank_kespeech_dev_test(args):
         cut_set = cut_set.trim_to_supervisions(
             keep_overlapping=False, min_duration=None
         )
-        # 修改 执行 perturb操作
+
         if speed_perturb:
             cut_set = (
                     cut_set + cut_set.perturb_speed(0.9) + cut_set.perturb_speed(1.1)
diff --git a/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py b/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py
index 1bbe68de7..6af988823 100755
--- a/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py
+++ b/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py
@@ -106,7 +106,7 @@ def get_parser():
         default=False,
         help="Use WhisperFbank instead of Fbank. Default: False.",
     )
-    #修改： 添加 指定参数 speed-perturb
+
     parser.add_argument(
         "--speed-perturb",
         type=bool,
@@ -170,7 +170,7 @@ def compute_fbank_kespeech_splits(args):
         cut_set = cut_set.trim_to_supervisions(
             keep_overlapping=False, min_duration=None
         )
-        # 修改 执行 perturb操作
+
         if speed_perturb:
             cut_set = (
                     cut_set + cut_set.perturb_speed(0.9) + cut_set.perturb_speed(1.1)