diff --git a/04.系统编码/Frontend/src/components/DecisionSupport.vue b/04.系统编码/Frontend/src/components/DecisionSupport.vue
index ba480ae..383a551 100644
--- a/04.系统编码/Frontend/src/components/DecisionSupport.vue
+++ b/04.系统编码/Frontend/src/components/DecisionSupport.vue
@@ -31,12 +31,15 @@
                         :initial-index="0"
                         fit="contain"
                         >
-                        <template #error>
+                            <template #error>
                                 <div class="image-slot">
                                     <img src="/images/null-picture.png" />
                                 </div>
                                 <p class="image-tip">暂无图片</p>
                             </template>
+                            <template #placeholder>
+                                <div class="image-placeholder">正在加载...</div>
+                            </template>
                         </el-image>
                     </el-col>
                 </el-row>
diff --git a/04.系统编码/Frontend/src/components/MicrowaveRadiation.vue b/04.系统编码/Frontend/src/components/MicrowaveRadiation.vue
index dfc361a..b476a33 100644
--- a/04.系统编码/Frontend/src/components/MicrowaveRadiation.vue
+++ b/04.系统编码/Frontend/src/components/MicrowaveRadiation.vue
@@ -74,7 +74,7 @@
             <div class="picture-view">
                 <span class="arrow arrow-prev" @click="onPrevImgClick"><img src="/images/prev-btn.png" /></span>
                 <span class="arrow arrow-next" @click="onNextImgClick"><img src="/images/next-btn.png" /></span>
-                <span class="save-btn"><img src="/images/save.png" /></span>
+                <a href="/images/picture1.png" download class="save-btn"><img src="/images/save.png" /></a>
                 <div class="picture-container">
                     <h2 class="title">{{title}}</h2>
                     <div class="picture">
@@ -90,6 +90,9 @@
                                 </div>
                                 <p class="image-tip">暂无图片</p>
                             </template>
+                            <template #placeholder>
+                                <div class="image-placeholder">正在加载...</div>
+                            </template>
                         </el-image>
                     </div>
                 </div>
diff --git a/04.系统编码/Frontend/src/components/RamanLidar.vue b/04.系统编码/Frontend/src/components/RamanLidar.vue
index 3ebdd1b..a2fd0d8 100644
--- a/04.系统编码/Frontend/src/components/RamanLidar.vue
+++ b/04.系统编码/Frontend/src/components/RamanLidar.vue
@@ -71,6 +71,9 @@
                                 </div>
                                 <p class="image-tip">暂无图片</p>
                             </template>
+                            <template #placeholder>
+                                <div class="image-placeholder">正在加载...</div>
+                            </template>
                         </el-image>
                     </div>
                 </div>
diff --git a/04.系统编码/Frontend/src/components/SynergyEvaluation.vue b/04.系统编码/Frontend/src/components/SynergyEvaluation.vue
index f4252b2..7c1bb14 100644
--- a/04.系统编码/Frontend/src/components/SynergyEvaluation.vue
+++ b/04.系统编码/Frontend/src/components/SynergyEvaluation.vue
@@ -99,6 +99,9 @@
                                 </div>
                                 <p class="image-tip">暂无图片</p>
                             </template>
+                            <template #placeholder>
+                                <div class="image-placeholder">正在加载...</div>
+                            </template>
                         </el-image>
                     </el-col>
                 </el-row>
@@ -112,12 +115,15 @@
                         :initial-index="0"
                         fit="contain"
                         >
-                        <template #error>
+                            <template #error>
                                 <div class="image-slot">
                                     <img src="/images/null-picture.png" />
                                 </div>
                                 <p class="image-tip">暂无图片</p>
                             </template>
+                            <template #placeholder>
+                                <div class="image-placeholder">正在加载...</div>
+                            </template>
                         </el-image>
                     </el-col>
                 </el-row>