diff --git a/src/main/java/com/alibaba/dashscope/aigc/multimodalconversation/AudioParameters.java b/src/main/java/com/alibaba/dashscope/aigc/multimodalconversation/AudioParameters.java
index d77aaed..a468f6a 100644
--- a/src/main/java/com/alibaba/dashscope/aigc/multimodalconversation/AudioParameters.java
+++ b/src/main/java/com/alibaba/dashscope/aigc/multimodalconversation/AudioParameters.java
@@ -113,8 +113,8 @@ public enum Voice {
     @SerializedName("Aiden")
     AIDEN("Aiden"),
 
-    @SerializedName("Eldric Saga")
-    ELDRIC_SAGA("Eldric Saga"),
+    @SerializedName("Eldric Sage")
+    ELDRIC_SAGE("Eldric Sage"),
 
     @SerializedName("Mia")
     MIA("Mia"),
diff --git a/src/main/java/com/alibaba/dashscope/audio/qwen_tts_realtime/QwenTtsRealtimeConfig.java b/src/main/java/com/alibaba/dashscope/audio/qwen_tts_realtime/QwenTtsRealtimeConfig.java
index 4ab517b..cf7e187 100644
--- a/src/main/java/com/alibaba/dashscope/audio/qwen_tts_realtime/QwenTtsRealtimeConfig.java
+++ b/src/main/java/com/alibaba/dashscope/audio/qwen_tts_realtime/QwenTtsRealtimeConfig.java
@@ -47,6 +47,12 @@ public class QwenTtsRealtimeConfig {
   /** text normalization, default is true */
   @Builder.Default Boolean enableTn = true;
 
+  /** instructions for tts, default is null */
+  @Builder.Default String instructions = null;
+
+  /** instructions will optimize on server side, default is null */
+  @Builder.Default String optimizeInstructions = null;
+
   /** The extra parameters. */
   @Builder.Default Map<String, Object> parameters = null;
 
@@ -84,6 +90,14 @@ public JsonObject getConfig() {
       config.put(QwenTtsRealtimeConstants.ENABLE_TN, enableTn);
     }
 
+    if (instructions != null) {
+      config.put(QwenTtsRealtimeConstants.INSTRUCTIONS, instructions);
+    }
+
+    if (optimizeInstructions != null) {
+      config.put(QwenTtsRealtimeConstants.OPTIMIZE_INSTRUCTIONS, optimizeInstructions);
+    }
+
     if (parameters != null) {
       for (Map.Entry<String, Object> entry : parameters.entrySet()) {
         config.put(entry.getKey(), entry.getValue());
diff --git a/src/main/java/com/alibaba/dashscope/audio/qwen_tts_realtime/QwenTtsRealtimeConstants.java b/src/main/java/com/alibaba/dashscope/audio/qwen_tts_realtime/QwenTtsRealtimeConstants.java
index f6eb119..7b19f9d 100644
--- a/src/main/java/com/alibaba/dashscope/audio/qwen_tts_realtime/QwenTtsRealtimeConstants.java
+++ b/src/main/java/com/alibaba/dashscope/audio/qwen_tts_realtime/QwenTtsRealtimeConstants.java
@@ -15,6 +15,8 @@ public class QwenTtsRealtimeConstants {
   public static final String BIT_RATE = "bit_rate";
   public static final String LANGUAGE_TYPE = "language_type";
   public static final String ENABLE_TN = "enable_tn";
+  public static final String INSTRUCTIONS = "instructions";
+  public static final String OPTIMIZE_INSTRUCTIONS = "optimize_instructions";
   public static final String PROTOCOL_EVENT_ID = "event_id";
   public static final String PROTOCOL_TYPE = "type";
   public static final String PROTOCOL_SESSION = "session";