diff --git a/config_center/apollo/impl.go b/config_center/apollo/impl.go
index be3fc4824a194b8a71b24b69a26774e86c048609..4eff318e54c795428732c3e045c7a77321d3e777 100644
--- a/config_center/apollo/impl.go
+++ b/config_center/apollo/impl.go
@@ -20,7 +20,6 @@ package apollo
 import (
 	"fmt"
 	"regexp"
-	"strconv"
 	"strings"
 	"sync"
 )