diff --git a/src/main/java/com/eactive/eai/agent/encryption/EncryptionManager.java b/src/main/java/com/eactive/eai/agent/encryption/EncryptionManager.java
index 5dde0b7..bba369d 100644
--- a/src/main/java/com/eactive/eai/agent/encryption/EncryptionManager.java
+++ b/src/main/java/com/eactive/eai/agent/encryption/EncryptionManager.java
@@ -163,7 +163,14 @@ public class EncryptionManager implements Lifecycle {
 			if (this.isEncrypted(dbData)) {
 				if ("DAMO".equals(dbEncryptSolutionName)) {
 					com.eactive.ext.djb.DamoManager damoManager = new com.eactive.ext.djb.DamoManager();
-					return damoManager.decrypt(dbData);
+					try {
+						return damoManager.decrypt(dbData);
+					} catch (Exception e) {
+						// 복호화 실패시 원본 반환
+						String logData = dbData.length() <= 3 ? dbData : dbData.substring(0, 3) + "...";
+						logger.warn("DB 복호화 실패: 복호화하지 않고 원본 반환. dbData={} (Length : {})", logData, dbData.length());
+						return dbData;
+					}
 				} else if ("SAFEDB".equals(dbEncryptSolutionName)) {
 					KjbSafedbWrapper safeDBWrapper = KjbSafedbWrapper.getInstance();
 					try {