diff --git a/web/src/pages/ExamManagement.tsx b/web/src/pages/ExamManagement.tsx
index cb183c7..4e49f67 100644
--- a/web/src/pages/ExamManagement.tsx
+++ b/web/src/pages/ExamManagement.tsx
@@ -324,14 +324,17 @@ const ExamManagement: React.FC = () => {
                     >
                       {exam.has_in_progress_exam ? '继续' : '考试'}
                     </Button>,
-                    <Button
-                      type="text"
-                      icon={<ShareAltOutlined />}
-                      onClick={() => handleOpenShareModal(exam.id)}
-                      className={styles.actionButton}
-                    >
-                      分享
-                    </Button>,
+                    // 只有自己创建的试卷才能分享
+                    !exam.is_shared && (
+                      <Button
+                        type="text"
+                        icon={<ShareAltOutlined />}
+                        onClick={() => handleOpenShareModal(exam.id)}
+                        className={styles.actionButton}
+                      >
+                        分享
+                      </Button>
+                    ),
                     <Button
                       type="text"
                       icon={<HistoryOutlined />}
@@ -356,16 +359,19 @@ const ExamManagement: React.FC = () => {
                     >
                       打印
                     </Button>,
-                    <Button
-                      type="text"
-                      danger
-                      icon={<DeleteOutlined />}
-                      onClick={() => handleDeleteExam(exam.id)}
-                      className={styles.actionButton}
-                    >
-                      删除
-                    </Button>
-                  ]}
+                    // 只有自己创建的试卷才能删除
+                    !exam.is_shared && (
+                      <Button
+                        type="text"
+                        danger
+                        icon={<DeleteOutlined />}
+                        onClick={() => handleDeleteExam(exam.id)}
+                        className={styles.actionButton}
+                      >
+                        删除
+                      </Button>
+                    )
+                  ].filter(Boolean)}
                 >
                   <div className={styles.cardContent}>