TTS

src/main/java/com/telerobot/fs/tts/tencent/TencentTTSWebApi.java

@@ -270,8 +270,7 @@ public class TencentTTSWebApi {
                 canonicalQuery + "\n" +
                 "content-type:application/json; charset=utf-8\n" +
                 "host:" + host + "\n\n" +
-                "content-type;host\n" +
-                sha256Hex("");
+                "content-type;host\n";
 
         String date = DATE_FORMATTER.format(Instant.ofEpochSecond(timestamp));
         String credentialScope = date + "/mps/tc3_request";