fix retry on camera failed

tools/tools-gphoto2.js

@@ -116,10 +116,10 @@ tools.init = function (pCb) {
         console.log(pErr.grey)
         console.log('1. Add one SDCard into the device')
         console.log('2. Take one picture manually')
-        process.exit(1)
+      } else {
+        console.log(`OK: ${output}`.green)
       }
-      console.log(`OK: ${output}`.green)
-      pCb()
+      pCb(pErr)
     })
 
     // opn(output)