diff --git a/app/src/main/java/com/stand/standapp/ui/chat/FloatingChatWidget.kt b/app/src/main/java/com/stand/standapp/ui/chat/FloatingChatWidget.kt
index 42585f5..84dcd91 100644
--- a/app/src/main/java/com/stand/standapp/ui/chat/FloatingChatWidget.kt
+++ b/app/src/main/java/com/stand/standapp/ui/chat/FloatingChatWidget.kt
@@ -94,25 +94,19 @@ fun FloatingChatWidget() {
                 visible = true
             }
 
-            // 👈 用 FAB 位置计算对话框位置，但强制钳制在屏幕内
-            // FAB右下角为基准：对话框应该出现在 FAB 附近
-            val fabRight = screenWidthPx - paddingPx * 2 + fabOffsetX  // FAB右边缘
-            val fabBottom = screenHeightPx - paddingPx * 2 - navBarPx + fabOffsetY  // FAB下边缘
-
-            // 对话框优先放在 FAB 左上方，如果放不下就贴边
-            val rawX = fabRight - cardWidthPx - paddingPx  // FAB左边
-            val rawY = fabBottom - cardHeightPx - paddingPx  // FAB上边
-
-            // 👈 关键：钳制到屏幕内
-            val clampedX = rawX.coerceIn(0f, screenWidthPx - cardWidthPx)
-            val clampedY = rawY.coerceIn(0f, screenHeightPx - cardHeightPx)
-
             AnimatedVisibility(
                 visible = visible,
                 enter = fadeIn(animationSpec = tween(300)) + scaleIn(initialScale = 0.8f, animationSpec = tween(300)),
                 exit = fadeOut(animationSpec = tween(200)) + scaleOut(targetScale = 0.8f, animationSpec = tween(200)),
                 modifier = Modifier
                     .offset {
+                        val fabRight = screenWidthPx - paddingPx * 2 + fabOffsetX
+                        val fabBottom = screenHeightPx - paddingPx * 2 - navBarPx + fabOffsetY
+                        val rawX = fabRight - cardWidthPx - paddingPx
+                        val rawY = fabBottom - cardHeightPx - paddingPx
+                        val clampedX = rawX.coerceIn(0f, screenWidthPx - cardWidthPx)
+                        val clampedY = rawY.coerceIn(0f, screenHeightPx - cardHeightPx)
+                        
                         IntOffset(
                             (clampedX + cardDragX).roundToInt()
                                 .coerceIn(0, (screenWidthPx - cardWidthPx).toInt()),