修复一些BUG,提升体验效果

Assets/StreamingAssets/targets.json

@@ -17,8 +17,15 @@
       "meta": "what ever string you like."
     },
     {
-      "image": "hand.jpg",
-      "name": "hand",
+      "image": "namecard.jpg",
+      "name": "namecard",
+      "size": [ 8.56, 5.4 ],
+      "uid": "uid-string, should NOT duplica",
+      "meta": "what ever string you like."
+    },
+     {
+      "image": "namecard1.jpg",
+      "name": "namecard1",
       "size": [ 8.56, 5.4 ],
       "uid": "uid-string, should NOT duplica",
       "meta": "what ever string you like."

Assets/texture/Materials/logo4.mat.meta

+fileFormatVersion: 2
+guid: 2ad4195de8c6db743b933fea05c93d06
+timeCreated: 1504505988
+licenseType: Pro
+NativeFormatImporter:
+  mainObjectFileID: 2100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/预置/ImageTarget-JsonFile-idback 1.prefab.meta

+fileFormatVersion: 2
+guid: a415a361030aafb48914e73e54f9ef85
+timeCreated: 1504883689
+licenseType: Pro
+NativeFormatImporter:
+  mainObjectFileID: 100100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/预置/ImageTarget-JsonFile-idback.prefab.meta

+fileFormatVersion: 2
+guid: 8e7bf094c7262074a9313c6474b41ac6
+timeCreated: 1504883192
+licenseType: Pro
+NativeFormatImporter:
+  mainObjectFileID: 100100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: