diff --git a/src/assets/images/coursewareManage/docpic.png b/src/assets/images/coursewareManage/docpic.png
new file mode 100644
index 00000000..a9ead1c2
Binary files /dev/null and b/src/assets/images/coursewareManage/docpic.png differ
diff --git a/src/assets/images/coursewareManage/pdfpic.png b/src/assets/images/coursewareManage/pdfpic.png
new file mode 100644
index 00000000..0dac5b4c
Binary files /dev/null and b/src/assets/images/coursewareManage/pdfpic.png differ
diff --git a/src/assets/images/coursewareManage/pngpic.png b/src/assets/images/coursewareManage/pngpic.png
new file mode 100644
index 00000000..45976d82
Binary files /dev/null and b/src/assets/images/coursewareManage/pngpic.png differ
diff --git a/src/assets/images/coursewareManage/pptpic.png b/src/assets/images/coursewareManage/pptpic.png
new file mode 100644
index 00000000..03257972
Binary files /dev/null and b/src/assets/images/coursewareManage/pptpic.png differ
diff --git a/src/assets/images/coursewareManage/xlspic.png b/src/assets/images/coursewareManage/xlspic.png
new file mode 100644
index 00000000..f09609a7
Binary files /dev/null and b/src/assets/images/coursewareManage/xlspic.png differ
diff --git a/src/assets/images/coursewareManage/zippic.png b/src/assets/images/coursewareManage/zippic.png
new file mode 100644
index 00000000..a15ebb88
Binary files /dev/null and b/src/assets/images/coursewareManage/zippic.png differ
diff --git a/src/views/courselibrary/components/seeModal.vue b/src/views/courselibrary/components/seeModal.vue
index db16036e..5b2a5eae 100644
--- a/src/views/courselibrary/components/seeModal.vue
+++ b/src/views/courselibrary/components/seeModal.vue
@@ -160,7 +160,20 @@
                   :key="index"
                 >
                   <div class="file_img">
-                    <img :src="item.img" />
+                    <img v-if="(item.indexOf('jpg')!==-1 ||item.indexOf('jpeg')!==-1 ||item.indexOf('png')!==-1 )" src="@/assets/images/coursewareManage/pngpic.png" />
+                    <div v-else>
+                      <img v-if="(item.indexOf('doc')!==-1)" src="@/assets/images/coursewareManage/docpic.png" />
+                      <div v-else>
+                        <img v-if="(item.indexOf('xls')!==-1)" src="@/assets/images/coursewareManage/xlspic.png" />
+                        <div v-else>
+                          <img v-if="(item.indexOf('ppt')!==-1)" src="@/assets/images/coursewareManage/pptpic.png" />
+                          <div v-else>
+                            <img v-if="(item.indexOf('pdf')!==-1)" src="@/assets/images/coursewareManage/pdfpic.png" />
+                            <img v-else src="@/assets/images/coursewareManage/docpic.png" />
+                          </div>
+                        </div>
+                      </div>
+                    </div>
                   </div>
                   <div class="file_detail">
                     <div class="file_name">