diff --git a/src/main/java/com/example/caseData/controller/CaseClinicalArticleController.java b/src/main/java/com/example/caseData/controller/CaseClinicalArticleController.java
index abab690..2221181 100644
--- a/src/main/java/com/example/caseData/controller/CaseClinicalArticleController.java
+++ b/src/main/java/com/example/caseData/controller/CaseClinicalArticleController.java
@@ -363,6 +363,7 @@ public class CaseClinicalArticleController {
                         }
 
                         subComment.setAvatar(Replace.addOssDomain(subComment.getAvatar()));
+                        subComment.setCommentImage(Replace.addOssDomain(subComment.getCommentImage()));
                     }
 
                     dto.setSubComment(subComments);
diff --git a/src/main/java/com/example/caseData/controller/CaseClinicalVideoController.java b/src/main/java/com/example/caseData/controller/CaseClinicalVideoController.java
index 8408e82..1eab08d 100644
--- a/src/main/java/com/example/caseData/controller/CaseClinicalVideoController.java
+++ b/src/main/java/com/example/caseData/controller/CaseClinicalVideoController.java
@@ -353,6 +353,7 @@ public class CaseClinicalVideoController {
                         }
 
                         subComment.setAvatar(Replace.addOssDomain(subComment.getAvatar()));
+                        subComment.setCommentImage(Replace.addOssDomain(subComment.getCommentImage()));
                     }
 
                     dto.setSubComment(subComments);
diff --git a/src/main/java/com/example/caseData/controller/CaseExchangeController.java b/src/main/java/com/example/caseData/controller/CaseExchangeController.java
index 279c165..4cf5919 100644
--- a/src/main/java/com/example/caseData/controller/CaseExchangeController.java
+++ b/src/main/java/com/example/caseData/controller/CaseExchangeController.java
@@ -654,6 +654,7 @@ public class CaseExchangeController {
                         }
 
                         subComment.setAvatar(Replace.addOssDomain(subComment.getAvatar()));
+                        subComment.setCommentImage(Replace.addOssDomain(subComment.getCommentImage()));
                     }
 
                     dto.setSubComment(subComments);
diff --git a/src/main/java/com/example/caseData/service/UserService.java b/src/main/java/com/example/caseData/service/UserService.java
index ab31272..54e56b7 100644
--- a/src/main/java/com/example/caseData/service/UserService.java
+++ b/src/main/java/com/example/caseData/service/UserService.java
@@ -636,7 +636,7 @@ public class UserService {
                     "static/cert/seal.png",
                     certificateNo,
                     caseClinicalDoctor.getDoctorName(),
-                    "您的案例《" + title + "》经评议，被肝胆相照临床病例库收录，特发此证",
+                    "您的案例《" + title + "》经评议，被肝胆相照临床病例库收录，特发此证。",
                    qrCodeByte,
                    doctorId
             );