diff --git a/API/Line.go b/API/Line.go
index ed354ca..068b61f 100644
--- a/API/Line.go
+++ b/API/Line.go
@@ -13,7 +13,7 @@ import (
 // @Accept  json
 // @Produce  json
 // @Param   id     5dfb03070a9ac17ac7a82054    string     true        "id"
-// @Success 200 {object} tools.ResponseSeccess "Name名称；SubName副标题；PlayDuration游玩时长；Suitable适合人群；Location线路点坐标；Annotations需要点亮的设施id"
+// @Success 200 {object} tools.ResponseSeccess "Name名称；SubName副标题；PlayDuration游玩时长；Suitable适合人群；Location线路点坐标；Annotations需要点亮的设施id；Distance距离"
 // @Failure 500 {object} tools.ResponseError "{"errcode":1,"errmsg":"错误原因"}"
 // @Router /LineInfo? [get]
 func LineInfo(c *gin.Context) {
@@ -51,7 +51,7 @@ func LineInfo(c *gin.Context) {
 // @Description 查询所有线路
 // @Accept  json
 // @Produce  json
-// @Success 200 {object} tools.ResponseSeccess "Name名称；SubName副标题；PlayDuration游玩时长；Suitable适合人群；Location线路点坐标；Annotations需要点亮的设施id"
+// @Success 200 {object} tools.ResponseSeccess "Name名称；SubName副标题；PlayDuration游玩时长；Suitable适合人群；Location线路点坐标；Annotations需要点亮的设施id；Distance距离"
 // @Failure 500 {object} tools.ResponseError "{"errcode":1,"errmsg":"错误原因"}"
 // @Router /AllLine? [get]
 func AllLine(c *gin.Context) {
@@ -97,6 +97,7 @@ func UpdateLine(c *gin.Context) {
 			"PlayDuration": c.PostForm("PlayDuration"),
 			"Suitable":     c.PostForm("Suitable"),
 			"Content":      c.PostForm("Content"),
+			"Distance":     c.PostForm("Distance"),
 			"Annotations":  Annotations,
 			"Location":     Location,
 		}},
diff --git a/API/Tiles.go b/API/Tiles.go
new file mode 100644
index 0000000..aaeb446
--- /dev/null
+++ b/API/Tiles.go
@@ -0,0 +1,42 @@
+package Api
+
+import (
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"io/ioutil"
+	"os"
+)
+
+func Tiles(c *gin.Context) {
+
+	c.Header("Access-Control-Allow-Origin", c.Request.Header.Get("Origin"))
+	c.Header("Access-Control-Allow-Credentials", "true")
+
+	dir, _ := os.Getwd()
+
+	//path := dir + "/tiles/" + c.Query("z") + "/" + c.Query("x") + "/" + c.Query("y") + ".jpg"
+	path := fmt.Sprintf("%s/tiles/%s/%s/%s.jpg",dir,c.Query("z"),c.Query("x"),c.Query("y"))
+
+	if !PathExists(path) {
+		path = dir + "/tiles/blank.png"
+	}
+
+	b, err := ioutil.ReadFile(path)
+	if err != nil {
+		fmt.Print(err)
+	}
+
+
+	c.Data(200, "Content-type: image/jpeg", b)
+}
+
+func PathExists(path string) (bool) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true
+	}
+	if os.IsNotExist(err) {
+		return false
+	}
+	return false
+}
diff --git a/DB/db.go b/DB/db.go
index 1792fcb..4e7b6bf 100644
--- a/DB/db.go
+++ b/DB/db.go
@@ -65,6 +65,7 @@ type SLine struct {
 	PlayDuration string         `bson:"PlayDuration" json:"PlayDuration"`
 	Suitable     string         `bson:"Suitable" json:"Suitable"` //适合人群
 	Content      string         `bson:"Content" json:"Content"`
+	Distance     string         `bson:"Distance" json:"Distance"`       // 距离
 	Annotations  []string       `bson:"Annotations" json:"Annotations"` //需要点亮的设施id
 }
 
diff --git a/README.md b/README.md
index 8cb3592..f8df8ca 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@
 
 | Code | Type | Model | Message |
 |-----|-----|-----|-----|
-| 200 | object | [ResponseSeccess](#github.com.aarongao.tools.ResponseSeccess) | Name名称；SubName副标题；PlayDuration游玩时长；Suitable适合人群；Location线路点坐标；Annotations需要点亮的设施id |
+| 200 | object | [ResponseSeccess](#github.com.aarongao.tools.ResponseSeccess) | Name名称；SubName副标题；PlayDuration游玩时长；Suitable适合人群；Location线路点坐标；Annotations需要点亮的设施id；Distance距离 |
 | 500 | object | [ResponseError](#github.com.aarongao.tools.ResponseError) | {"errcode":1,"errmsg":"错误原因"} |
 
 
@@ -210,7 +210,7 @@
 
 | Code | Type | Model | Message |
 |-----|-----|-----|-----|
-| 200 | object | [ResponseSeccess](#github.com.aarongao.tools.ResponseSeccess) | Name名称；SubName副标题；PlayDuration游玩时长；Suitable适合人群；Location线路点坐标；Annotations需要点亮的设施id |
+| 200 | object | [ResponseSeccess](#github.com.aarongao.tools.ResponseSeccess) | Name名称；SubName副标题；PlayDuration游玩时长；Suitable适合人群；Location线路点坐标；Annotations需要点亮的设施id；Distance距离 |
 | 500 | object | [ResponseError](#github.com.aarongao.tools.ResponseError) | {"errcode":1,"errmsg":"错误原因"} |
 
 
diff --git a/main.go b/main.go
index 25f4519..301f28d 100644
--- a/main.go
+++ b/main.go
@@ -46,7 +46,8 @@ func main() {
 
 	r := gin.Default()
 	//r.Static("/.well-known", "./.well-known/")
-	r.Static("/tiles", dir+"/tiles")
+	//r.Static("/tiles", dir+"/tiles")
+	r.GET("/Tiles", Api.Tiles)
 	r.GET("/AllItems", Api.AllItems)
 	r.GET("/AllCommodity", Api.AllCommodity)
 	r.GET("/AllLine", Api.AllLine)
--
libgit2 0.21.0