diff --git a/nezha-fronted/src/components/chart/chart/grid/utils.js b/nezha-fronted/src/components/chart/chart/grid/utils.js
index 2fa6c35df..732292e8e 100644
--- a/nezha-fronted/src/components/chart/chart/grid/utils.js
+++ b/nezha-fronted/src/components/chart/chart/grid/utils.js
@@ -291,8 +291,11 @@ export function moveElementAwayFromCollision (layout, collidesWith, itemToMove,
 
   // Previously this was optimized to move below the collision directly, but this can cause problems
   // with cascading moves, as an item may actually leapflog a collision and cause a reversal in order.
-
-  return moveElement(layout, itemToMove, undefined, itemToMove.y + 0.15, preventCollision)
+  let addY = 0.15
+  if (itemToMove.groupId) {
+    addY = 1
+  }
+  return moveElement(layout, itemToMove, undefined, itemToMove.y + addY, preventCollision)
 }
 
 /**
diff --git a/nezha-fronted/src/components/chart/chartList.vue b/nezha-fronted/src/components/chart/chartList.vue
index 16735171d..7bb7097dd 100644
--- a/nezha-fronted/src/components/chart/chartList.vue
+++ b/nezha-fronted/src/components/chart/chartList.vue
@@ -479,6 +479,9 @@ export default {
             // } catch (e) {
             //   console.info(e)
             // }
+            if (item.y < 0) {
+              item.y = 0
+            }
             height = (item.type === 'group' && item.param.collapse) ? this.headerH : item.height
             // param.showHeader = true
             if (param.valueMapping) {