diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/extract/toscreen/impl/PublicPartExtractServiceImpl.java b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/extract/toscreen/impl/PublicPartExtractServiceImpl.java
index 6ad492f3b8..7ccb83368f 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/extract/toscreen/impl/PublicPartExtractServiceImpl.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/evaluationindex/extract/toscreen/impl/PublicPartExtractServiceImpl.java
@@ -158,7 +158,7 @@ public class PublicPartExtractServiceImpl implements PublicPartExtractService {
                     memberCount = 0;
                 }
                 if (memberCount != 0) {
-                    bigDecimal = bigDecimal.add(new BigDecimal(vote.getVoteCount() / memberCount * 1.0));
+                    bigDecimal = bigDecimal.add(new BigDecimal(vote.getVoteCount() / (memberCount * 1.0)));
                 }
             }
             if (votedByIssueCount.intValue() != 0) {
@@ -230,7 +230,7 @@ public class PublicPartExtractServiceImpl implements PublicPartExtractService {
                     if (memberCount == null) {
                         memberCount = 0;
                     }
-                    bigDecimal = bigDecimal.add(new BigDecimal(vote.getVoteCount() / memberCount * 1.0));
+                    bigDecimal = bigDecimal.add(new BigDecimal(vote.getVoteCount() / (memberCount * 1.0)));
                 }
                 if (votedByIssueCount.intValue() != 0) {
                     entity.setAvgJoin(bigDecimal.divide(votedByIssueCount).multiply(new BigDecimal(NumConstant.ONE_HUNDRED)));