diff --git a/src/main/java/com/example/caseData/service/CaseClinicalVideoService.java b/src/main/java/com/example/caseData/service/CaseClinicalVideoService.java
index 765cd4d..e44fe11 100644
--- a/src/main/java/com/example/caseData/service/CaseClinicalVideoService.java
+++ b/src/main/java/com/example/caseData/service/CaseClinicalVideoService.java
@@ -921,7 +921,7 @@ public class CaseClinicalVideoService {
 
             // 下载头像
             byte[] avatarByte = new byte[0];
-            if (caseClinicalDoctor.getAvatar() != null && caseClinicalDoctor.getAvatar() != "") {
+            if (caseClinicalDoctor.getAvatar() != null && !caseClinicalDoctor.getAvatar().isEmpty()) {
                 avatarByte = Oss.getObjectToByte(caseClinicalDoctor.getAvatar().replaceFirst("^/+", ""));
             }else{
                 try {