diff --git a/src/consts/time.go b/src/consts/time.go
deleted file mode 100644
index e27ece2a5abdf244aa4ffa82a9638d55c9ad82ba..0000000000000000000000000000000000000000
--- a/src/consts/time.go
+++ /dev/null
@@ -1,5 +0,0 @@
-package consts
-
-const DateTimeLayout = "2006-01-02 15:04:05"
-const DateLayout = "2006-01-02"
-const TimeLayout = "15:04:05"
\ No newline at end of file
diff --git a/src/miscs/const.go b/src/miscs/const.go
index d5deb4e195fa215fdf7c4740f267364bcdef88c5..a9d1583501e2cdee9c2e2f641752504161698d3b 100644
--- a/src/miscs/const.go
+++ b/src/miscs/const.go
@@ -1,6 +1,5 @@
 package miscs
 
-
 const DateTimeLayout = "2006-01-02 15:04:05"
 const DateLayout = "2006-01-02"
 const TimeLayout = "15:04:05"
\ No newline at end of file
diff --git a/src/miscs/err.go b/src/miscs/err.go
index 9bc33e7fba7f35da1ff71f761f8cbcdc0c52d19b..e1d749717c310fd422ebf696fa7c3c713783d17a 100644
--- a/src/miscs/err.go
+++ b/src/miscs/err.go
@@ -1,9 +1,14 @@
 package miscs
 
+import (
+	"log"
+	"runtime/debug"
+)
+
 func CatchRecover() {
 	err := recover()
 	if err != nil {
-		fmt.Printf("recover err: %s\n", err)
-		fmt.Printf("recover Stack: %s\n", debug.Stack())
+		log.Printf("recover err: %s\n", err)
+		log.Printf("recover Stack: %s\n", debug.Stack())
 	}
 }
diff --git a/src/v1/log/log_default.go b/src/v1/log/log_default.go
index 2c100e84f5ac987ad259ba432ee65e39c0f7c3aa..fdbfca21653fc19e8ae5ef9e93030919d24edc97 100644
--- a/src/v1/log/log_default.go
+++ b/src/v1/log/log_default.go
@@ -170,7 +170,7 @@ func (logger *MyLogger) logItemf(level int, format string, params ...interface{}
 	return logger.logger.Output(3, sl)
 }
 
-func NewDefaultLogger(c *MyLoggerConfig) *MyLogger {
+func NewDefaultLogger(c *MyLoggerConfig) ILog {
 	myLogger := &MyLogger{
 		config: c,
 	}