diff --git a/pages/API/get-app-base-info/get-app-base-info.uvue b/pages/API/get-app-base-info/get-app-base-info.uvue
index 5fd302ee97d7244a300551861e267b2b0f3f0c63..4d603059b50b0226157bc3fa2a3a6b93997f9da7 100644
--- a/pages/API/get-app-base-info/get-app-base-info.uvue
+++ b/pages/API/get-app-base-info/get-app-base-info.uvue
@@ -41,7 +41,7 @@
 				const json = JSON.stringify(res);
 				const result = JSON.parse<Map<string, any>>(json);
 				this.items = [] as Item[];
-				result.forEach((value, key) => {
+				result?.forEach((value, key) => {
 					const item = {
 						label: key,
 						value: "" + value
diff --git a/pages/API/get-device-info/get-device-info.uvue b/pages/API/get-device-info/get-device-info.uvue
index 9f64d3d31a926a1954baec993d3c1fc8b7e16abe..69f3bdbc45b96a252dc9dfbb1fafd86785094a6c 100644
--- a/pages/API/get-device-info/get-device-info.uvue
+++ b/pages/API/get-device-info/get-device-info.uvue
@@ -60,7 +60,7 @@ export default {
 			const json = JSON.stringify(res);
 			const result = JSON.parse<Map<string, any>>(json);
 			this.items = [] as Item[];
-			result.forEach((value, key) => {
+			result?.forEach((value, key) => {
 				const item = {
 					label: key,
 					value: "" + value
diff --git a/pages/API/get-system-info/get-system-info.uvue b/pages/API/get-system-info/get-system-info.uvue
index 62bfa7c3b7a6b09ccf13782d863528f1f2854688..7acbba04a8128614e2b278c5e914388579d32754 100644
--- a/pages/API/get-system-info/get-system-info.uvue
+++ b/pages/API/get-system-info/get-system-info.uvue
@@ -61,7 +61,7 @@ export default {
 					const json = JSON.stringify(res);
 					const result = JSON.parse<Map<string, any>>(json);
 					this.items = [] as Item[];
-					result.forEach((value, key) => {
+					result?.forEach((value, key) => {
 						const item = {
 							label: key,
 							value: "" + value
diff --git a/pages/API/get-window-info/get-window-info.uvue b/pages/API/get-window-info/get-window-info.uvue
index 75b1d8aa965b034f94334d5887309bec84e435c4..42ffd05ddcde75bdf4b719759f61566fcba1e05f 100644
--- a/pages/API/get-window-info/get-window-info.uvue
+++ b/pages/API/get-window-info/get-window-info.uvue
@@ -41,7 +41,7 @@
 				const json = JSON.stringify(res);
 				const result = JSON.parse<Map<string, any>>(json);
 				this.items = [] as Item[];
-				result.forEach((value, key) => {
+				result?.forEach((value, key) => {
 					const item = {
 						label: key,
 						value: "" + value
diff --git a/pages/component/long-list/long-list.uvue b/pages/component/long-list/long-list.uvue
index 0f43351cdd840702276c59f472626da534530a60..ddd4132aef666fd10eccbe7116797c6f901d25b4 100644
--- a/pages/component/long-list/long-list.uvue
+++ b/pages/component/long-list/long-list.uvue
@@ -53,26 +53,28 @@
 					success:function(result){
 						const content = result.data;
 						const items = [] as Item[];
-						const jsonArr = JSON.parse(content);
-						jsonArr?.forEach((res)=>{
-							const json = res as UTSJSONObject;
-							const title = json["title"] as string;
-							const subTitle = json["subTitle"] as string;
-							const img = json["img"] as string;
-							const detail = json["detail"] as string;
-							const item:Item = {
-								title,
-								subTitle,
-								img,
-								detail
+						const jsonArr = JSON.parse<Array<UTSJSONObject>>(content);
+						if(jsonArr != null){
+							for(const res in jsonArr){
+								const json = res as UTSJSONObject;
+								const title = json["title"] as string;
+								const subTitle = json["subTitle"] as string;
+								const img = json["img"] as string;
+								const detail = json["detail"] as string;
+								const item:Item = {
+									title,
+									subTitle,
+									img,
+									detail
+								}
+								items.push(item);
 							}
-							items.push(item);
-						})
-						let temp = [] as Item[];
-						for(let i = 0; i < 100; i++){
-							temp = temp.concat(items);
+							let temp = [] as Item[];
+							for(let i = 0; i < 100; i++){
+								temp = temp.concat(items);
+							}
+							listData = temp;
 						}
-						listData = temp;
 						setTimeout(()=>{
 							this.refresherTriggered = false
 						},0);