diff --git a/pages/API/get-battery-info/get-battery-info.uvue b/pages/API/get-battery-info/get-battery-info.uvue
index e55d296d8d38c0218e77ce15956040fcc8956f1d..870b7269633a41ea82865854b2376b9453f4e995 100644
--- a/pages/API/get-battery-info/get-battery-info.uvue
+++ b/pages/API/get-battery-info/get-battery-info.uvue
@@ -22,9 +22,9 @@
           }
         });
       } catch (e) {
-        console.error(e.message);
+        console.error((e as Error).message);
         uni.showModal({
-          content: e.message,
+          content: (e as Error).message,
           showCancel: false
         });
       }
diff --git a/pages/API/request-payment/request-payment.uvue b/pages/API/request-payment/request-payment.uvue
index c2dd500663cddc385bfd614b361b6d9f41d0c730..923fc124483d189bc74568399034e724307cd37b 100644
--- a/pages/API/request-payment/request-payment.uvue
+++ b/pages/API/request-payment/request-payment.uvue
@@ -119,7 +119,7 @@
 				})
 				let url = 'https://demo.dcloud.net.cn/payment/wxpayv3.__UNI__uniappx/?total=0.01'
 				const res = uni.getAppBaseInfo();
-				let packageName:string | null
+				let packageName:string | null = ''
 
 				// #ifdef APP-ANDROID
 				packageName = res.packageName
diff --git a/pages/template/browser-canvas/browser-canvas.uvue b/pages/template/browser-canvas/browser-canvas.uvue
index b4d7da7bd4ac88a3efcb1195a206317586286c19..d9f47818d87b03c0260fc0791cb5b0d19bf235d5 100644
--- a/pages/template/browser-canvas/browser-canvas.uvue
+++ b/pages/template/browser-canvas/browser-canvas.uvue
@@ -21,7 +21,7 @@
     onReady() {
       this.drawing = this.$refs['drawing'] as HTMLElement;
       this.canvasElement = document.createElement('canvas') as HTMLCanvasElement;
-      this.canvasElement.className = 'canvas'
+      this.canvasElement!.className = 'canvas'
       this.drawing!.appendChild(this.canvasElement)
 
       this.canvasContext = this.canvasElement!.getContext('2d')