diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/worker/WorkHR.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/worker/WorkHR.java
index 2d38257..72e591a 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/worker/WorkHR.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/worker/WorkHR.java
@@ -188,7 +188,13 @@ public class WorkHR implements Callable<List<RiskPatientsResult>> {
                         }
                     }
                 }
-                if (StringUtils.isNotEmpty(riskPatientsResult.getrFactor()) && StringUtils.isNotEmpty(patients.getoRiskFactor())) {
+                if (sb.toString().endsWith(",")) {
+                    riskPatientsResult.setrFactor(sb.substring(0, sb.length() - 1));
+                } else {
+                    riskPatientsResult.setrFactor(sb.toString());
+                }
+
+                if (!"-".equals(riskPatientsResult.getrFactor()) && StringUtils.isNotEmpty(patients.getoRiskFactor())) {
                     riskPatientsResult.setrFactor(riskPatientsResult.getrFactor()+","+patients.getoRiskFactor());
                 }else if (StringUtils.isNotEmpty(patients.getoRiskFactor()))
                 {