diff --git a/embd_res/kcpp_musicui.embd b/embd_res/kcpp_musicui.embd
index 77230ec8c..d2beacc40 100644
--- a/embd_res/kcpp_musicui.embd
+++ b/embd_res/kcpp_musicui.embd
@@ -303,21 +303,16 @@ function toggleAdvanced(){
 function getFormData(){
   const ids=["caption","lyrics","bpm","duration","keyscale","timesignature",
   "vocal_language","seed","lm_temperature","lm_cfg_scale","lm_top_p","inference_steps",
-  "guidance_scale","shift","stereo","gen_codes","audio_codes"];
+  "guidance_scale","shift","audio_codes"];
   const data={};
   ids.forEach(id=>{
     const el=document.getElementById(id);
     if(!el) return;
     const v=el.value;
-    if(v=="on")
-    {
-      data[id]=true;
-    }else if(v=="off")
-    {
-      data[id]=false;
-    }
-    else if(v!=="") {data[id]=isNaN(v)?v:Number(v);}
+    if(v!=="") {data[id]=isNaN(v)?v:Number(v);}
   });
+  data["stereo"] = (document.getElementById("stereo").checked ? true : false);
+  data["gen_codes"] = (document.getElementById("gen_codes").checked ? true : false);
   return data;
 }
 
@@ -490,6 +485,7 @@ function clearFields()
     });
     document.getElementById("caption").value = "";
     document.getElementById("lyrics").value = "";
+    document.getElementById("audio_codes").value = "";
 }
 function exportPlan(){
   const data=getFormData();
diff --git a/otherarch/acestep/ace-qwen3.cpp b/otherarch/acestep/ace-qwen3.cpp
index bdc9ca4ba..e5c67671c 100644
--- a/otherarch/acestep/ace-qwen3.cpp
+++ b/otherarch/acestep/ace-qwen3.cpp
@@ -917,14 +917,17 @@ static std::vector<std::string> generate_phase1_batch(
                 seqs[i].fsm.apply_mask(lc);
 
             // After </think>: audio code constraint unless lyrics_mode
-            // if (seqs[i].codes_phase && !lyrics_mode) {
-            //     for (int v = 0; v < AUDIO_CODE_BASE; v++)
-            //         if (v != TOKEN_IM_END) lc[v] = -1e9f;
-            // }
+            if (seqs[i].codes_phase && !lyrics_mode) {
+                for (int v = 0; v < AUDIO_CODE_BASE; v++)
+                    if (v != TOKEN_IM_END) lc[v] = -1e9f;
+            }
 
-            // kcpp: prevent outputting audio codes
-            for (int v = AUDIO_CODE_BASE; v < AUDIO_CODE_COUNT+AUDIO_CODE_BASE; v++)
-                if (v != TOKEN_IM_END) lc[v] = -1e9f;
+            // kcpp: prevent outputting audio codes during lyrics
+            if(lyrics_mode)
+            {
+                for (int v = AUDIO_CODE_BASE; v < AUDIO_CODE_COUNT+AUDIO_CODE_BASE; v++)
+                    if (v != TOKEN_IM_END) lc[v] = -1e9f;
+            }
 
             int tok = kcpp_quick_sample(lc,V,quicklastntoks,1.04f,top_p,30,temperature,acestep_lm_rng);
             quicklastntoks.push_back(tok);
@@ -1560,12 +1563,8 @@ std::string acestep_prepare_request(const music_generation_inputs inputs)
     ace.timesignature  = req.timesignature;
     ace.vocal_language = req.vocal_language;
 
-    //kcpp: codes suck don't use them
-    req.thinking = false;
-    req.audio_codes = "";
-
     bool user_has_codes = !req.audio_codes.empty();
-    bool need_lm_codes  = false;//req.thinking && !user_has_codes;
+    bool need_lm_codes  = inputs.gen_codes && !user_has_codes;
 
     bool is_simple = ace.lyrics.empty();