diff --git a/src/routes/hot-map.tsx b/src/routes/hot-map.tsx
index 26f7e48..dafb1fc 100644
--- a/src/routes/hot-map.tsx
+++ b/src/routes/hot-map.tsx
@@ -36,8 +36,8 @@ const MODES: { key: 1 | 4; label: string }[] = [
 const MAX_STOCK_NODES = 800;
 
 /* 题材节点半径范围：按题材涨幅绝对值平方根映射（涨得越猛球越大，小涨幅区分更明显） */
-const THEME_MIN_RADIUS = 4;
-const THEME_MAX_RADIUS = 22;
+const THEME_MIN_RADIUS = 6;
+const THEME_MAX_RADIUS = 30;
 
 /* 视图切换：关系图 / 核心股列表 */
 type ViewMode = "graph" | "list";