diff --git a/index.html b/index.html
index fc054c7..a6a706e 100644
--- a/index.html
+++ b/index.html
@@ -26,11 +26,11 @@ <h1>太阳系3D模拟</h1>
             <h3>速度控制</h3>
             <div class="control-group">
                 <label for="rotation-speed">自转速度: <span id="rotation-speed-value">1.0</span>x</label>
-                <input type="range" id="rotation-speed" min="0" max="2" step="0.1" value="1.0">
+                <input type="range" id="rotation-speed" min="0" max="3" step="0.1" value="1.0">
             </div>
             <div class="control-group">
                 <label for="orbital-speed">公转速度: <span id="orbital-speed-value">1.0</span>x</label>
-                <input type="range" id="orbital-speed" min="0" max="2" step="0.1" value="1.0">
+                <input type="range" id="orbital-speed" min="0" max="3" step="0.1" value="1.0">
             </div>
             
             <h3>视角控制</h3>