diff --git a/src/components/date-picker/panel/Date/date-range.vue b/src/components/date-picker/panel/Date/date-range.vue
index f7b4cf1e..07bbdef4 100644
--- a/src/components/date-picker/panel/Date/date-range.vue
+++ b/src/components/date-picker/panel/Date/date-range.vue
@@ -296,7 +296,11 @@
             },
             changePanelDate(panel, type, increment, updateOtherPanel = true){
                 const current = new Date(this[`${panel}PanelDate`]);
-                current[`set${type}`](current[`get${type}`]() + increment);
+                if (panel === 'left') {
+                    current[`set${type}`](current[`get${type}`](), 0);
+                } else {
+                    current[`set${type}`](current[`get${type}`]() + increment);
+                }
                 this[`${panel}PanelDate`] = current;
 
                 if (!updateOtherPanel) return;