$ 0 0 public RawImage image; WWW www; public Text text; // Use this for initialization void Start () { Button btn = this.GetComponent (); btn.onClick.AddListener (LoadImagH); } void LoadImagH(){ StartCoroutine( LoadImagWWW()); } IEnumerator LoadImagWWW(){ var path =Application.streamingAssetsPath +"/test1.png"; www = new WWW(path); yield return www; //www.LoadImageIntoTexture image.texture = www.texture; } here is my erro out put: **2018-03-29 11:18:44.250266+0800 ProductName[4175:1597220] You are using download over http. Currently Unity adds NSAllowsArbitraryLoads to Info.plist to simplify transition, but it will be removed soon. Please consider updating to https. 2018-03-29 11:18:44.252816+0800 ProductName[4175:1597304] TIC TCP Conn Failed [5:0x1d0367680]: 1:61 Err(61) 2018-03-29 11:18:44.252854+0800 ProductName[4175:1597304] Task <21FEF691-0BAF-4EB1-B36F-6C12D2487A16>.<0> HTTP load failed (error code: -1004 [1:61]) 2018-03-29 11:18:44.253032+0800 ProductName[4175:1597180] NSURLConnection finished with error - code -1004**