diff --git a/epmet-module/data-report/data-report-client/src/main/java/com/epmet/screen/constant/ScreenConstant.java b/epmet-module/data-report/data-report-client/src/main/java/com/epmet/screen/constant/ScreenConstant.java
index b03dbe6466..b1a25cf947 100644
--- a/epmet-module/data-report/data-report-client/src/main/java/com/epmet/screen/constant/ScreenConstant.java
+++ b/epmet-module/data-report/data-report-client/src/main/java/com/epmet/screen/constant/ScreenConstant.java
@@ -12,4 +12,8 @@ public interface ScreenConstant {
 
     String RATIO = "%";
 
+    String SQUARE_BRACKETS = "[]";
+
+    String COMMA = ",";
+
 }
diff --git a/epmet-module/data-report/data-report-server/src/main/java/com/epmet/datareport/service/screen/impl/AgencyServiceImpl.java b/epmet-module/data-report/data-report-server/src/main/java/com/epmet/datareport/service/screen/impl/AgencyServiceImpl.java
index 8ee16c42f6..0727ebfbde 100644
--- a/epmet-module/data-report/data-report-server/src/main/java/com/epmet/datareport/service/screen/impl/AgencyServiceImpl.java
+++ b/epmet-module/data-report/data-report-server/src/main/java/com/epmet/datareport/service/screen/impl/AgencyServiceImpl.java
@@ -72,12 +72,12 @@ public class AgencyServiceImpl implements AgencyService {
      * @date 2020/8/26 5:18 下午
      */
     public List<Double> getCenterMark(String centerMark){
-        if (centerMark.length() == NumConstant.ZERO) {
+        if (centerMark.length() == NumConstant.ZERO || centerMark.equals(ScreenConstant.SQUARE_BRACKETS)) {
             return new ArrayList<>();
         }
         List<Double> result = new ArrayList<>();
-        String substring = centerMark.substring(2, centerMark.length() - 2);
-        String[] split = substring.split(",");
+        String substring = centerMark.substring(NumConstant.TWO, centerMark.length() - NumConstant.TWO);
+        String[] split = substring.split(ScreenConstant.COMMA);
         for (String s : split) {
             result.add(Double.valueOf(s));
         }