diff --git a/src/views/mmlManage/neOperate/index.vue b/src/views/mmlManage/neOperate/index.vue
index b09077b2..611fada7 100644
--- a/src/views/mmlManage/neOperate/index.vue
+++ b/src/views/mmlManage/neOperate/index.vue
@@ -181,9 +181,9 @@ function fnSendMML() {
       if (res.code === RESULT_CODE_SUCCESS) {
         let resultArr = res.data;
         for (let i = 0; i < resultArr.length; i++) {
-          const str = resultArr[i];
+          const str = resultArr[i] || '';
           const logStr = str.replace(/(\r\n|\n)/g, '\n');
-          const cmdStr = cmdArr[i];
+          const cmdStr = cmdArr[i] || '';
           state.mmlCmdLog += `${cmdStr}\n${logStr}\n`;
         }
       } else {
diff --git a/src/views/mmlManage/omcOperate/index.vue b/src/views/mmlManage/omcOperate/index.vue
index 7f094110..6741f289 100644
--- a/src/views/mmlManage/omcOperate/index.vue
+++ b/src/views/mmlManage/omcOperate/index.vue
@@ -183,9 +183,9 @@ function fnSendMML() {
       if (res.code === RESULT_CODE_SUCCESS) {
         let resultArr = res.data;
         for (let i = 0; i < resultArr.length; i++) {
-          const str = resultArr[i];
+          const str = resultArr[i] || '';
           const logStr = str.replace(/(\r\n|\n)/g, '\n');
-          const cmdStr = cmdArr[i];
+          const cmdStr = cmdArr[i] || '';
           state.mmlCmdLog += `${cmdStr}\n${logStr}\n`;
         }
       } else {
diff --git a/src/views/mmlManage/udmOperate/index.vue b/src/views/mmlManage/udmOperate/index.vue
index 25645ed1..3070e3de 100644
--- a/src/views/mmlManage/udmOperate/index.vue
+++ b/src/views/mmlManage/udmOperate/index.vue
@@ -183,9 +183,9 @@ function fnSendMML() {
       if (res.code === RESULT_CODE_SUCCESS) {
         let resultArr = res.data;
         for (let i = 0; i < resultArr.length; i++) {
-          const str = resultArr[i];
+          const str = resultArr[i] || '';
           const logStr = str.replace(/(\r\n|\n)/g, '\n');
-          const cmdStr = cmdArr[i];
+          const cmdStr = cmdArr[i] || '';
           state.mmlCmdLog += `${cmdStr}\n${logStr}\n`;
         }
       } else {