filter empty message

transcribe/serve.py

@@ -140,6 +140,8 @@ class WhisperTranscriptionService:
 
             if len(segments):
                 seg_text = self.text_separator.join(seg.text for seg in segments)
+                if not seg_text.strip(): # 过滤空字符
+                    continue
                 # 整行
                 if not partial:
                     translated_content = self._translate_text_large(seg_text)