...

src/modules/examwork/view/offlineExam.vue

@@ -19,7 +19,11 @@
               <el-button type="primary" size="small" @click="saveExam"
                 >保 存</el-button
               >
-              <el-button type="primary" size="small" @click="back"
+              <el-button
+                type="primary"
+                size="small"
+                @click="back"
+                icon="el-icon-arrow-left"
                 >返 回</el-button
               >
             </div>

src/modules/examwork/view/onlineExam.vue

@@ -19,7 +19,11 @@
               <el-button type="primary" size="small" @click="saveExam"
                 >保 存</el-button
               >
-              <el-button type="primary" size="small" @click="back"
+              <el-button
+                type="primary"
+                size="small"
+                @click="back"
+                icon="el-icon-arrow-left"
                 >返 回</el-button
               >
             </div>

src/modules/examwork/view/practiceExam.vue

@@ -19,7 +19,11 @@
               <el-button type="primary" size="small" @click="saveExam"
                 >保 存</el-button
               >
-              <el-button type="primary" size="small" @click="back"
+              <el-button
+                type="primary"
+                size="small"
+                @click="back"
+                icon="el-icon-arrow-left"
                 >返 回</el-button
               >
             </div>

src/modules/examwork/view/printExam.vue

@@ -19,7 +19,11 @@
               <el-button type="primary" size="small" @click="saveExam"
                 >保 存</el-button
               >
-              <el-button type="primary" size="small" @click="back"
+              <el-button
+                type="primary"
+                size="small"
+                @click="back"
+                icon="el-icon-arrow-left"
                 >返 回</el-button
               >
             </div>

src/modules/examwork/view/traditionExam.vue

@@ -19,7 +19,11 @@
               <el-button type="primary" size="small" @click="saveExam"
                 >保 存</el-button
               >
-              <el-button type="primary" size="small" @click="back"
+              <el-button
+                type="primary"
+                size="small"
+                @click="back"
+                icon="el-icon-arrow-left"
                 >返 回</el-button
               >
             </div>