&#xe 改为 \ue, 例如: "text": "\ue783"

"tabBar":{
		  "iconfontSrc":"./static/font/iconfont.ttf",    //你们自己的路径
	    "list":[
	        {
	            "text":"书架",
							"pagePath":"pages/index/index",
							"iconfont": {
								"text": "\ue610",
								"selectedText": "\ue610",
								"fontSize": "22px",
								"color": "#e6e6e6",
								"selectedColor": "#1ba194"
							}
							
	        },
					 {
					    "text":"书城",
					    "pagePath":"pages/bookcity/bookcity",
							"iconfont": {
								"text": "\ue612",
								"selectedText": "\ue612",
								"fontSize": "22px",
								"color": "#e6e6e6",
								"selectedColor": "#1ba194"
							}
					},
					{
					    "text":"任务",
					    "pagePath":"pages/task/task",
							"iconfont": {
								"text": "\ue611",
								"selectedText": "\ue611",
								"fontSize": "22px",
								"color": "#e6e6e6",
								"selectedColor": "#1ba194"
							}
					},
					{
					    "text":"我的",
					    "pagePath":"pages/my/my",
							"iconfont": {
								"text": "\ue636",
								"selectedText": "\ue636",
								"fontSize": "22px",
								"color": "#e6e6e6",
								"selectedColor": "#1ba194"
							}
					}
	    ],
	    "fontSize":"11px",
	    "color":"#6a6a6a",
	    "selectedColor":"#135a53",
	    "backgroundColor":"#F8F8F8",
	    "height":"55px",
	    "borderStyle":"white",
	    "iconWidth":"24px"
	}