diff --git a/library.go b/library.go
index ed9f7108..266aae43 100644
--- a/library.go
+++ b/library.go
@@ -1,5 +1,5 @@
 package go_library
 
 func Version() string {
-	return "1.0.149"
+	return "1.0.150"
 }
diff --git a/utils/gostring/url.go b/utils/gostring/url.go
index a5c1d754..57f60411 100644
--- a/utils/gostring/url.go
+++ b/utils/gostring/url.go
@@ -6,6 +6,9 @@ import (
 
 // CompleteUrlHttp 补全 URL
 func CompleteUrlHttp(url string) string {
+	if url == "" {
+		return url
+	}
 	if strings.HasPrefix(url, "//") {
 		url = "http:" + url
 	} else if strings.HasPrefix(url, "://") {
@@ -21,6 +24,9 @@ func CompleteUrlHttp(url string) string {
 
 // CompleteUrlHttps 补全 URL
 func CompleteUrlHttps(url string) string {
+	if url == "" {
+		return url
+	}
 	if strings.HasPrefix(url, "//") {
 		url = "https:" + url
 	} else if strings.HasPrefix(url, "://") {