diff --git a/src/main/java/com/eactive/eai/rms/data/entity/onl/logger/EAILogRepositoryImpl.java b/src/main/java/com/eactive/eai/rms/data/entity/onl/logger/EAILogRepositoryImpl.java
index 53f4852..7ac9a79 100644
--- a/src/main/java/com/eactive/eai/rms/data/entity/onl/logger/EAILogRepositoryImpl.java
+++ b/src/main/java/com/eactive/eai/rms/data/entity/onl/logger/EAILogRepositoryImpl.java
@@ -118,21 +118,23 @@ public class EAILogRepositoryImpl implements EAILogRepository {
 					.where(qeaiLog.id.logprcssserno.eq(eaiLogSearch.getSearchLogPrcssSerno()));
 			return;
 		}
-
-		if (StringUtils.isNotBlank(eaiLogSearch.getSearchStartTime())) {
-			query
+		
+		boolean hasSvcSerno = StringUtils.isNotBlank(eaiLogSearch.getSearchEaiSvcSerno());
+		
+		if (hasSvcSerno) {
+			query.where(qeaiLog.id.eaisvcserno.contains(eaiLogSearch.getSearchEaiSvcSerno()));
+		} else {
+			if (StringUtils.isNotBlank(eaiLogSearch.getSearchStartTime())) {
+				query
 					.where(qeaiLog.id.msgdpstyms
-							.between(eaiLogSearch.getSearchStartTime(), eaiLogSearch.getSearchEndTime()));
+					.between(eaiLogSearch.getSearchStartTime(), eaiLogSearch.getSearchEndTime()));
+			}
 		}
-
+		
 		if (StringUtils.isNotBlank(eaiLogSearch.getSearchEaiBzwkDstcd())) {
 			query.where(qeaiLog.id.eaibzwkdstcd.eq(eaiLogSearch.getSearchEaiBzwkDstcd()));
 		}
 
-		if (StringUtils.isNotBlank(eaiLogSearch.getSearchEaiSvcSerno())) {
-			query.where(qeaiLog.id.eaisvcserno.contains(eaiLogSearch.getSearchEaiSvcSerno()));
-		}
-
 		if (StringUtils.isNotBlank(eaiLogSearch.getSearchEaiSvcName())) {
 			query.where(qeaiLog.eaisvcname.containsIgnoreCase(eaiLogSearch.getSearchEaiSvcName()));
 		}