Update src/UniqueProvider/UniqueBody.tsx

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: zombieJ

src/UniqueProvider/UniqueBody.tsx

@@ -38,7 +38,7 @@ const UniqueBody = (props: UniqueBodyProps) => {
     uniqueBgStyle,
   } = props;
 
-  const floatBgCls = `${prefixCls}-unique-body`;
+  const uniqueBodyCls = `${prefixCls}-unique-body`;
 
   const [motionVisible, setMotionVisible] = React.useState(false);