diff --git a/cpp/conf/log_config.template b/cpp/conf/log_config.template
index cc33899589b3a691a149195ad7dd78ce8444cc87..277ef910ef6de480605a0f6f41e8e45300656813 100644
--- a/cpp/conf/log_config.template
+++ b/cpp/conf/log_config.template
@@ -1,6 +1,6 @@
 * GLOBAL:
     FORMAT                  =   "%datetime | %level | %logger | %msg"
-    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%H:%m}-global.log"
+    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%Y/%M/%d-%H:%m}-global.log"
     ENABLED                 =   true
     TO_FILE                 =   true
     TO_STANDARD_OUTPUT      =   false
@@ -8,12 +8,12 @@
     PERFORMANCE_TRACKING    =   false
     MAX_LOG_FILE_SIZE       =   209715200 ## Throw log files away after 200MB
 * DEBUG:
-    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%H:%m}-debug.log"
+    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%Y/%M/%d-%H:%m}-debug.log"
     ENABLED                 =   true
 * WARNING:
-    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%H:%m}-warning.log"
+    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%Y/%M/%d-%H:%m}-warning.log"
 * TRACE:
-    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%H:%m}-trace.log"
+    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%Y/%M/%d-%H:%m}-trace.log"
 * VERBOSE:
     FORMAT                  =   "%datetime{%d/%M/%y} | %level-%vlevel | %msg"
     TO_FILE                 =   false
@@ -21,7 +21,7 @@
 ## Error logs
 * ERROR:
     ENABLED                 =   true
-    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%H:%m}-error.log"
+    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%Y/%M/%d-%H:%m}-error.log"
 * FATAL:
     ENABLED                 =   true
-    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%H:%m}-fatal.log"
\ No newline at end of file
+    FILENAME                =   "@MILVUS_DB_PATH@/logs/milvus-%datetime{%Y/%M/%d-%H:%m}-fatal.log"
\ No newline at end of file