diff --git a/frontend/src/components/ConfigPanel.jsx b/frontend/src/components/ConfigPanel.jsx
index 1e3694b..225dc77 100644
--- a/frontend/src/components/ConfigPanel.jsx
+++ b/frontend/src/components/ConfigPanel.jsx
@@ -1809,9 +1809,9 @@ const ConfigItem = ({ label, config, onUpdate, disabled }) => {
           }}
           disabled={disabled}
           className={isEditing ? 'editing' : ''}
-          placeholder={isPercentKey ? (isPctLike ? '输入0~1（表示0%~1%）' : '输入百分比（可小数）') : '输入数值'}
+          placeholder={isPercentKey ? '输入小数（0-1之间，如0.30表示30%）' : '输入数值'}
         />
-        {isPercentKey && <span className="percent-suffix">%</span>}
+        {/* ⚠️ 简化：去掉%符号，直接显示小数（0.30） */}
         {isEditing && (
           <button
             className="save-btn"
diff --git a/frontend/src/components/GlobalConfig.jsx b/frontend/src/components/GlobalConfig.jsx
index e668327..77fa6b4 100644
--- a/frontend/src/components/GlobalConfig.jsx
+++ b/frontend/src/components/GlobalConfig.jsx
@@ -145,7 +145,7 @@ const ConfigItem = ({ label, config, onUpdate, disabled }) => {
             style={{ width: '100%', padding: '8px', border: '1px solid #ddd', borderRadius: '4px' }}
           />
         )}
-        {isPercentKey && <span style={{ marginLeft: '8px', color: '#666' }}>%</span>}
+        {/* ⚠️ 简化：去掉%符号，直接显示小数（0.30） */}
       </div>
       {config.description && (
         <div style={{ fontSize: '12px', color: '#666', marginTop: '4px' }}>{config.description}</div>