diff --git a/bi/core.js b/bi/core.js
index 0ea460553..02207954f 100644
--- a/bi/core.js
+++ b/bi/core.js
@@ -6392,13 +6392,12 @@ Date.prototype.getOffsetMonth = function (n) {
 //获得本周的起始日期
 Date.prototype.getWeekStartDate = function () {
     var w = this.getDay();
-    var offset = (w === 0 ? 7 : w);
-    return this.getOffsetDate(1 - offset);
+    return this.getOffsetDate(-w);
 };
 //得到本周的结束日期
 Date.prototype.getWeekEndDate = function () {
     var w = this.getDay();
-    var offset = (w === 0 ? 0 : 7 - w);
+    var offset = (w === 0 ? 6 : 6 - w);
     return this.getOffsetDate(offset);
 };
 
diff --git a/docs/core.js b/docs/core.js
index bb99b48a9..746c61efe 100644
--- a/docs/core.js
+++ b/docs/core.js
@@ -23875,13 +23875,12 @@ Date.prototype.getOffsetMonth = function (n) {
 //获得本周的起始日期
 Date.prototype.getWeekStartDate = function () {
     var w = this.getDay();
-    var offset = (w === 0 ? 7 : w);
-    return this.getOffsetDate(1 - offset);
+    return this.getOffsetDate(-w);
 };
 //得到本周的结束日期
 Date.prototype.getWeekEndDate = function () {
     var w = this.getDay();
-    var offset = (w === 0 ? 0 : 7 - w);
+    var offset = (w === 0 ? 6 : 6 - w);
     return this.getOffsetDate(offset);
 };
 
diff --git a/src/core/proto/date.js b/src/core/proto/date.js
index f105cae42..b25c92d15 100644
--- a/src/core/proto/date.js
+++ b/src/core/proto/date.js
@@ -199,13 +199,12 @@ Date.prototype.getOffsetMonth = function (n) {
 //获得本周的起始日期
 Date.prototype.getWeekStartDate = function () {
     var w = this.getDay();
-    var offset = (w === 0 ? 7 : w);
-    return this.getOffsetDate(1 - offset);
+    return this.getOffsetDate(-w);
 };
 //得到本周的结束日期
 Date.prototype.getWeekEndDate = function () {
     var w = this.getDay();
-    var offset = (w === 0 ? 0 : 7 - w);
+    var offset = (w === 0 ? 6 : 6 - w);
     return this.getOffsetDate(offset);
 };