diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/extract/dataToIndex/impl/CalGridIndexServiceImpl.java b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/extract/dataToIndex/impl/CalGridIndexServiceImpl.java
index 6c228e1d06..a8c807103a 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/extract/dataToIndex/impl/CalGridIndexServiceImpl.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/extract/dataToIndex/impl/CalGridIndexServiceImpl.java
@@ -559,7 +559,7 @@ public class CalGridIndexServiceImpl implements CalGridIndexService {
             gridProjectTotalList.forEach(project -> {
                 gridIssueTotalList.forEach(issue -> {
                     if (project.getGridId().equals(issue.getGridId())) {
-                        project.setIssueToProjectRatio(getRound(new BigDecimal(project.getProjectTotal() / issue.getIssueTotal()).multiply(NumConstant.ONE_HUNDRED_DECIMAL)));
+                        project.setIssueToProjectRatio(getRound(new BigDecimal(project.getProjectTotal()).divide(new BigDecimal(issue.getIssueTotal()),NumConstant.EIGHT,BigDecimal.ROUND_HALF_UP).multiply(NumConstant.ONE_HUNDRED_DECIMAL)));
                     }
                 });
             });