微信小程序编译每次都出现[ project.config.json 文件内容错误] project.config.json: libVersion 字段需为 string

manifest.json

 {
-    "name" : "wms",
-    "appid" : "__UNI__81E2D4D",
-    "description" : "供应链面单系统",
-    "versionName" : "1.0.0",
-    "versionCode" : 1,
-    "transformPx" : false,
+    "name": "wms",
+    "appid": "__UNI__81E2D4D",
+    "description": "供应链面单系统",
+    "versionName": "1.0.0",
+    "versionCode": 1,
+    "transformPx": false,
     /* 5+App特有相关 */
-    "app-plus" : {
-        "usingComponents" : true,
-        "nvueStyleCompiler" : "uni-app",
-        "compilerVersion" : 3,
-        "splashscreen" : {
-            "alwaysShowBeforeRender" : true,
-            "waiting" : true,
-            "autoclose" : true,
-            "delay" : 0
+    "app-plus": {
+        "usingComponents": true,
+        "nvueStyleCompiler": "uni-app",
+        "compilerVersion": 3,
+        "splashscreen": {
+            "alwaysShowBeforeRender": true,
+            "waiting": true,
+            "autoclose": true,
+            "delay": 0
         },
         /* 模块配置 */
-        "modules" : {},
+        "modules": {},
         /* 应用发布信息 */
-        "distribute" : {
+        "distribute": {
             /* android打包配置 */
-            "android" : {
-                "permissions" : [
+            "android": {
+                "permissions": [
                     "<uses-permission android:name=\"android.permission.CHANGE_NETWORK_STATE\"/>",
                     "<uses-permission android:name=\"android.permission.MOUNT_UNMOUNT_FILESYSTEMS\"/>",
                     "<uses-permission android:name=\"android.permission.VIBRATE\"/>",
@@ -41,35 +41,36 @@
                 ]
             },
             /* ios打包配置 */
-            "ios" : {},
+            "ios": {},
             /* SDK配置 */
-            "sdkConfigs" : {}
+            "sdkConfigs": {}
         }
     },
     /* 快应用特有相关 */
-    "quickapp" : {},
+    "quickapp": {},
     /* 小程序特有相关 */
-    "mp-weixin" : {
-        "appid" : "wx61a41a064fa2fb3c",
-        "setting" : {
-            "urlCheck" : false,
-            "es6" : true,
-            "postcss" : true,
-            "minified" : true
+    "mp-weixin": {
+        "appid": "wx61a41a064fa2fb3c",
+        "libVersion": "latest",
+        "setting": {
+            "urlCheck": false,
+            "es6": true,
+            "postcss": true,
+            "minified": true
         },
-        "usingComponents" : true
+        "usingComponents": true
     },
-    "mp-alipay" : {
-        "usingComponents" : true
+    "mp-alipay": {
+        "usingComponents": true
     },
-    "mp-baidu" : {
-        "usingComponents" : true
+    "mp-baidu": {
+        "usingComponents": true
     },
-    "mp-toutiao" : {
-        "usingComponents" : true
+    "mp-toutiao": {
+        "usingComponents": true
     },
-    "uniStatistics" : {
-        "enable" : false
+    "uniStatistics": {
+        "enable": false
     },
-    "vueVersion" : "2"
+    "vueVersion": "2"
 }
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