diff --git a/src/main/java/com/example/caseData/service/UserService.java b/src/main/java/com/example/caseData/service/UserService.java
index cc614a0..ab31272 100644
--- a/src/main/java/com/example/caseData/service/UserService.java
+++ b/src/main/java/com/example/caseData/service/UserService.java
@@ -627,7 +627,7 @@ public class UserService {
             }
 
             // 生成证书
-            String certificateNo = "GDXZALK"
+            String certificateNo = "证书编号:GDXZALK"
                     + String.valueOf(Year.now().getValue())
                     + String.format("%06d", (statsCaseClinical.getArticleNum() + statsCaseClinical.getVideoNum()));