diff --git a/dzz/pichome/template/pc/page/details.htm b/dzz/pichome/template/pc/page/details.htm
index fffebd9..48379be 100644
--- a/dzz/pichome/template/pc/page/details.htm
+++ b/dzz/pichome/template/pc/page/details.htm
@@ -627,7 +627,7 @@
 					}
 					self.ImgParam.slider = moveX;
 					self.ImgParam.proportion = proportion/100;
-					this.handleproportion();
+					self.handleproportion();
 					
 					return false; //阻止默认事件或冒泡  
 				});