diff --git a/.github/stale.yml b/.github/stale.yml
index da19b6606..6b0da9b98 100644
--- a/.github/stale.yml
+++ b/.github/stale.yml
@@ -6,7 +6,8 @@ daysUntilClose: 30
 exemptLabels:
   - Roadmap 
   - Bug
-  - New Feature 
+  - feature request
+  - Tips
 # Label to use when marking an issue as stale
 staleLabel: Stale
 # Comment to post when marking an issue as stale. Set to `false` to disable
@@ -17,4 +18,4 @@ markComment: >
 unmarkComment: false
 # Comment to post when closing a stale issue. Set to `false` to disable
 closeComment: >
-  This issue is closed. Please re-open if needed.
\ No newline at end of file
+  This issue is closed. Please re-open if needed.
diff --git a/paddlespeech/cli/text/infer.py b/paddlespeech/cli/text/infer.py
index ff822f674..bd76a13d0 100644
--- a/paddlespeech/cli/text/infer.py
+++ b/paddlespeech/cli/text/infer.py
@@ -127,7 +127,7 @@ class TextExecutor(BaseExecutor):
         if self.task == 'punc':
             # punc list
             self._punc_list = []
-            with open(self.vocab_file, 'r') as f:
+            with open(self.vocab_file, 'r', encoding='utf-8') as f:
                 for line in f:
                     self._punc_list.append(line.strip())
 
@@ -178,12 +178,12 @@ class TextExecutor(BaseExecutor):
         if self.task == 'punc':
             # punc list
             self._punc_list = []
-            with open(self.vocab_file, 'r') as f:
+            with open(self.vocab_file, 'r', encoding='utf-8') as f:
                 for line in f:
                     self._punc_list.append(line.strip())
 
             # model
-            with open(self.cfg_path) as f:
+            with open(self.cfg_path, 'r', encoding='utf-8') as f:
                 config = CfgNode(yaml.safe_load(f))
             self.model = ErnieLinear(**config["model"])