feat: add system config item for reward image, add app config item to use custom text2img param json file

api/test/test.go

@@ -2,16 +2,13 @@ package main
 
 import (
 	"fmt"
-	"net/url"
-	"path"
+	"os"
 )
 
 func main() {
-	imgURL := "https://www.baidu.com/static/upload/2023/10/1696497571220711277.png?ex=6530f4a2&is=651e7fa28hmFd709d069ca05d7855ebdae42e5aa436883a36f9310d546"
-	parse, err := url.Parse(imgURL)
+	bytes, err := os.ReadFile("res/text2img.json")
 	if err != nil {
 		panic(err)
 	}
-
-	fmt.Println(path.Ext(parse.Path))
+	fmt.Println(string(bytes))
 }