diff --git a/src/apps/AppMyGrid/AppMyGrid.vue b/src/apps/AppMyGrid/AppMyGrid.vue
index a7b0718c..aae2b971 100644
--- a/src/apps/AppMyGrid/AppMyGrid.vue
+++ b/src/apps/AppMyGrid/AppMyGrid.vue
@@ -48,7 +48,7 @@ export default {
     }
   },
   methods: {
-    ...mapActions(['getGridInfo']),
+    ...mapActions(['getGridInfo', 'injectJWeixin']),
     linkTo(url) {
       uni.navigateTo({url})
     },
@@ -63,6 +63,8 @@ export default {
                 location: [lat, lng].toString(),
                 key: "3RZBZ-LZUCF-CT6J5-NWKZH-FCWOQ-UUFKY",
               }
+            }, {
+              headers: {"Content-Type": "application/json"}
             }))
             .then(({data: {result: {address}}}) => this.$http.post("/app/appwxsigninfo/sign", {lat, lng, address}))
             .then(res => {
@@ -77,6 +79,7 @@ export default {
     }
   },
   created() {
+    this.injectJWeixin('getLocation')
     this.getGridInfo()
   }
 }