diff --git a/o2web/source/x_component_process_Xform/DatatablePC.js b/o2web/source/x_component_process_Xform/DatatablePC.js
index bf7e06041fbf2ae365ed9f5fd39c6d51509338e4..4971922228553382974cb58b4101d6cf6ae7a2c8 100644
--- a/o2web/source/x_component_process_Xform/DatatablePC.js
+++ b/o2web/source/x_component_process_Xform/DatatablePC.js
@@ -379,17 +379,46 @@ MWF.xApplication.process.Xform.DatatablePC = new Class(
 			this.totalColumns.each(function(column, index){
 				var json = column.moduleJson;
 				if(!json)return;
+
+				var pointLength = 0; //小数点后的最大数位
+				var tmpV;
 				if (column.type === "count"){
 					tmpV = data.data.length;
 				}else if(column.type === "number"){
-					var tmpV = new Decimal(0);
+					tmpV = new Decimal(0);
 					for (var i=0; i<data.data.length; i++){
 						var d = data.data[i];
-						if(d[json.id])tmpV = tmpV.plus(d[json.id].toFloat() || 0);
+						if(d[json.id]){
+							tmpV = tmpV.plus(d[json.id].toFloat() || 0);
+							var v = d[json.id].toString();
+							if( v.indexOf(".") > -1 ){
+								pointLength = Math.max(pointLength, v.split(".")[1].length);
+							}
+						}
+					}
+				}
+
+				if( isNaN( tmpV ) ){
+					totalData[json.id] = "";
+					column.td.set("text", "" );
+				}else{
+					if( pointLength > 0 && tmpV.toString() !== "0" ){
+						var s = tmpV.toString();
+						if( s.indexOf(".") > -1 ){
+							var length = s.split(".")[1].length;
+							if( length < pointLength ){
+								totalData[json.id] = s + "0".repeat(pointLength-length);
+							}else{
+								totalData[json.id] = s;
+							}
+						}else{
+							totalData[json.id] = s +"."+ "0".repeat(pointLength)
+						}
+					}else{
+						totalData[json.id] = tmpV.toString();
 					}
+					column.td.set("text", totalData[json.id] );
 				}
-				totalData[json.id] = tmpV.toString();
-				column.td.set("text", isNaN( tmpV ) ? "" : tmpV );
 			}.bind(this));
 			data.total = totalData;
 			return totalData;