diff --git a/omniadvisor/src/omniadvisor/service/spark_service/spark_executor.py b/omniadvisor/src/omniadvisor/service/spark_service/spark_executor.py
index dfcfe386bd48533dba9026f73d88b92fb412bd3a..62de86f11a2eea5fffb4cf54699f4b78bbb74323 100644
--- a/omniadvisor/src/omniadvisor/service/spark_service/spark_executor.py
+++ b/omniadvisor/src/omniadvisor/service/spark_service/spark_executor.py
@@ -93,7 +93,7 @@ class SparkExecutor:
         match_objs = re.findall(pattern, spark_output, re.MULTILINE)
         if match_objs:
             time_taken_list = [float(obj) for obj in match_objs]
-            total_time_taken = round(sum(time_taken_list), OA_CONF.decimal_digits)
+            total_time_taken = sum(time_taken_list)
             global_logger.debug(f'Total time taken is {total_time_taken} seconds')
         else:
             global_logger.info('This spark task do not have Time taken message.')
diff --git a/omniadvisor/src/omniadvisor/service/spark_service/spark_fetcher.py b/omniadvisor/src/omniadvisor/service/spark_service/spark_fetcher.py
index 4c84fc8ffe09f1c9152804b44098af9d13ad6178..329fb3581d1fb07f9d042ac0350362bc6b78aed3 100755
--- a/omniadvisor/src/omniadvisor/service/spark_service/spark_fetcher.py
+++ b/omniadvisor/src/omniadvisor/service/spark_service/spark_fetcher.py
@@ -4,7 +4,6 @@ from typing import Any
 import requests
 from dateutil import parser
 
-from common.constant import OA_CONF
 from omniadvisor.utils.logger import global_logger
 
 
@@ -124,4 +123,4 @@ class SparkFetcher:
         # 计算时间差
         time_diff = max(timestamp_list) - min(timestamp_list)
         global_logger.debug(f"Total time diff calculate by jobs is {time_diff} seconds")
-        return round(time_diff, OA_CONF.decimal_digits)
+        return time_diff
diff --git a/omniadvisor/src/server/app/admin.py b/omniadvisor/src/server/app/admin.py
index af7a6f4500e24f1f676555a04514ffdcf80ff845..191e9e955a913993e3159eb105925bc04ea18862 100644
--- a/omniadvisor/src/server/app/admin.py
+++ b/omniadvisor/src/server/app/admin.py
@@ -21,11 +21,15 @@ class TuningRecordAdmin(admin.ModelAdmin):
 
 @admin.register(DatabaseExamRecord)
 class ExamRecordAdmin(admin.ModelAdmin):
-    list_display = ('id', 'load', 'tuning_record', 'start_time', 'end_time', 'status', 'runtime', 'application_id', 'trace')
+    list_display = ('id', 'load', 'tuning_record', 'start_time', 'end_time', 'status', 'runtime_f', 'application_id', 'trace')
     list_filter = ()
 
     # 增加对Load的显示
     def load(self, model):
         return model.tuning_record.load
     load.short_description = 'Load'
-    load.admin_order_field = 'load'
+
+    # 对Runtime的浮点数保留3位有效数字
+    def runtime_f(self, model):
+        return round(model.runtime, 3)
+    runtime_f.short_description = 'Runtime'