散点图BUG修改

bi-server/src/main/java/com/usoftchina/bi/server/service/chart/ShowScatterService.java

@@ -99,7 +99,7 @@ public class ShowScatterService {
                 xColumn = TimeConverterUtil.convertToOracleDateStr(xColumn, xAxisType);         //X轴
             }
             String fieldName = yAxisType
-                    + "(nvl(" + yColumn + ",0)) as value,"
+                    + "(" + yColumn + ") as value,"
                     + ("scale".equals(xColumnType) ? "nvl(" + xColumn + ",0)" : "nvl(" + xColumn + ",'空')")
                     + " as \"date\" ";
             String condition = screenToColumnS + " GROUP BY " + xColumn;