Update env.json

dvr/env.json

 {
-  'DVR_HOST' : '192.168.2.199',
-  'DVR_USER' : 'taoyuan0',
-  'DVR_PSWD' : 'ecom2828',
-  'DVR_TAG' : 'tyc0',
-  'SRS_HOST' : '192.168.5.200',
-  'SRS_PORT' : '1935',
-  'LOCAL_PORT' : '80',
-  'REMOTE_IP' : '192.168.2.199',
-  'REMOTE_PORT' : '80',
+    "MQTT_HOST": "192.168.5.217",
+    "MQTT_PORT": "1883",
+    "ED_HOST": "192.168.5.208",
+    "ED_PORT": "554",
+    "DVR_HOST": "192.168.6.199",
+    "DVR_PORT": "80",
+    "DVR_USER": "taichung0",
+    "DVR_PSWD": "5tEL9wXT",
+    "DVR_NAME": "txg"
 }
\ No newline at end of file