diff --git a/backend/portal-service/src/main/java/org/egovframe/cloud/portalservice/service/attachment/AttachmentService.java b/backend/portal-service/src/main/java/org/egovframe/cloud/portalservice/service/attachment/AttachmentService.java
index 8a765a9..7520c82 100644
--- a/backend/portal-service/src/main/java/org/egovframe/cloud/portalservice/service/attachment/AttachmentService.java
+++ b/backend/portal-service/src/main/java/org/egovframe/cloud/portalservice/service/attachment/AttachmentService.java
@@ -150,7 +150,12 @@ public class AttachmentService extends AbstractService {
      */
     @Transactional(readOnly = true)
     public AttachmentImageResponseDto loadImage(String imagename) {
-        return storageUtils.loadImage(imagename.replaceAll(EDITOR_FILE_SEPARATOR, FILE_SEPARATOR));
+    	if(FILE_SEPARATOR.equals("\\")) {//윈도우기반 자바시스템일 때 하이픈 character to be escaped is missing 에러방지
+    		imagename = imagename.replaceAll(EDITOR_FILE_SEPARATOR, "\\\\"); //getFileSystem().getPath에서 디스크의 경로를 사용할 때 
+    	} else { //리눅스 또는 맥 기반 자바시스템 경로일 때(아래)
+    		imagename = imagename.replaceAll(EDITOR_FILE_SEPARATOR, FILE_SEPARATOR);
+    	}
+        return storageUtils.loadImage(imagename);
     }
 
     /**
diff --git a/config/board-service.yml b/config/board-service.yml
index 982099c..26ce8bb 100644
--- a/config/board-service.yml
+++ b/config/board-service.yml
@@ -3,7 +3,7 @@ database:
 
 spring:
   datasource:
-    url: ${database.url}?serverTimezone=Asia/Seoul
+    url: ${database.url}?serverTimezone=Asia/Seoul&autoReconnect=true&validationQuery=select 1
     username: msaportal
     password: msaportal
     driver-class-name: com.mysql.cj.jdbc.Driver
diff --git a/config/portal-service.yml b/config/portal-service.yml
index eee05d8..f08cb44 100644
--- a/config/portal-service.yml
+++ b/config/portal-service.yml
@@ -3,7 +3,7 @@ database:
 
 spring:
   datasource:
-    url: ${database.url}?serverTimezone=Asia/Seoul
+    url: ${database.url}?serverTimezone=Asia/Seoul&autoReconnect=true&validationQuery=select 1
     username: msaportal
     password: msaportal
     driver-class-name: com.mysql.cj.jdbc.Driver
diff --git a/config/user-service.yml b/config/user-service.yml
index e3e4150..8c67d04 100644
--- a/config/user-service.yml
+++ b/config/user-service.yml
@@ -3,7 +3,7 @@ database:
 
 spring:
   datasource:
-    url: ${database.url}?serverTimezone=Asia/Seoul
+    url: ${database.url}?serverTimezone=Asia/Seoul&autoReconnect=true&validationQuery=select 1
     username: msaportal
     password: msaportal
     driver-class-name: com.mysql.cj.jdbc.Driver