fix(cosyvoice): 修复prefix过滤中文失效导致400错误

Python str.isalnum()对中文字符返回True，导致中文音色名无法被过滤，传给CosyVoice API时报 InvalidParameter: prefix should be english letter and number。改用正则只保留ASCII字母数字，空则fallback为clone。
2026-07-29 14:00:01 +08:00
parent 1230eaa24b
commit b519bb0df0
1 changed files with 2 additions and 1 deletions
@@ -569,7 +569,8 @@ class CosyVoiceService:
            清洗后的 prefix
        """
        # 只保留字母和数字
-        cleaned = "".join(c for c in name if c.isalnum())
+        import re
+        cleaned = re.sub(r"[^a-zA-Z0-9]", "", name)
        # 最多10字符
        cleaned = cleaned[:10]
        # 如果清洗后为空，用默认值