|  | @@ -380,17 +380,20 @@ export default defineComponent({
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														|  |                <img style={{ display: state.playSource === "music" ? "none" : "" }} class={styles.iconBtn} src={headImg(`background.svg`)} />
 |  |                <img style={{ display: state.playSource === "music" ? "none" : "" }} class={styles.iconBtn} src={headImg(`background.svg`)} />
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														|  |                <span>{state.playSource === "music" ? "原声" : "伴奏"}</span>
 |  |                <span>{state.playSource === "music" ? "原声" : "伴奏"}</span>
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														|  |              </div>
 |  |              </div>
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														|  | -            <div
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														|  | -              class={[styles.btn]}
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														|  | -              onClick={async () => {
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														|  | -                metronomeData.disable = !metronomeData.disable;
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														|  | -                metronomeData.metro?.initPlayer();
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														|  | -              }}
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														|  | -            >
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														|  | -              <img style={{ display: metronomeData.disable ? "block" : "none" }} class={styles.iconBtn} src={headImg("tickoff.svg")} />
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														|  | -              <img style={{ display: !metronomeData.disable ? "block" : "none" }} class={styles.iconBtn} src={headImg("tickon.svg")} />
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														|  | -              <span style={{ whiteSpace: "nowrap" }}>节拍器</span>
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														|  | -            </div>            
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														|  | 
 |  | +            {
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														|  | 
 |  | +              state.modeType !== "evaluating" && 
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														|  | 
 |  | +                <div
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														|  | 
 |  | +                  class={[styles.btn]}
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														|  | 
 |  | +                  onClick={async () => {
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														|  | 
 |  | +                    metronomeData.disable = !metronomeData.disable;
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														|  | 
 |  | +                    metronomeData.metro?.initPlayer();
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														|  | 
 |  | +                  }}
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														|  | 
 |  | +                >
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														|  | 
 |  | +                  <img style={{ display: metronomeData.disable ? "block" : "none" }} class={styles.iconBtn} src={headImg("tickoff.svg")} />
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														|  | 
 |  | +                  <img style={{ display: !metronomeData.disable ? "block" : "none" }} class={styles.iconBtn} src={headImg("tickon.svg")} />
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														|  | 
 |  | +                  <span style={{ whiteSpace: "nowrap" }}>节拍器</span>
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														|  | 
 |  | +                </div>               
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														|  | 
 |  | +            }
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														|  |              <div id={state.platform === IPlatform.PC ? "teacherTop-2" : "studnetT-2"} style={{ display: selectBtn.value.display ? "" : "none" }} class={[styles.btn, selectBtn.value.disabled && styles.disabled]} onClick={() => handleChangeSection()}>
 |  |              <div id={state.platform === IPlatform.PC ? "teacherTop-2" : "studnetT-2"} style={{ display: selectBtn.value.display ? "" : "none" }} class={[styles.btn, selectBtn.value.disabled && styles.disabled]} onClick={() => handleChangeSection()}>
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														|  |                <img style={{ display: state.section.length === 0 ? "" : "none" }} class={styles.iconBtn} src={headImg(`section0.svg`)} />
 |  |                <img style={{ display: state.section.length === 0 ? "" : "none" }} class={styles.iconBtn} src={headImg(`section0.svg`)} />
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														|  |                <img style={{ display: state.section.length === 1 ? "" : "none" }} class={styles.iconBtn} src={headImg(`section1.svg`)} />
 |  |                <img style={{ display: state.section.length === 1 ? "" : "none" }} class={styles.iconBtn} src={headImg(`section1.svg`)} />
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