diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/histogram.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/histogram.vue
index 214cea71..9a64d272 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/histogram.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/histogram.vue
@@ -23,7 +23,7 @@
                 <i class="el-icon-circle-close closeBtn" @click.stop="close"></i>
             </div>
             <div class="histogram">
-                <div ref="chartContainer" style="width: 450px; height: 260px;" v-loading="loading"></div>
+                <div ref="chartContainer" style="width: 450px; height: 220px;" v-loading="loading"></div>
             </div>
         </div>
     </div>
@@ -194,6 +194,7 @@ export default {
             const option = {
                 useUTC: true,
                 title: {
+                    show: false,
                     text: this.$t("trials:histogram:title:histogram"),
                     textStyle: {
                         color: "#fff"
@@ -203,6 +204,7 @@ export default {
                 },
                 color: this.colors,
                 grid: {
+                    top: 0,
                     left: 50,
                     bottom: 80,
                     right: 20
@@ -282,8 +284,11 @@ export default {
                     }
                 })
                 Object.keys(obj).forEach(key => {
-                    let arr = [key, obj[key]]
-                    seriesData.push(arr)
+                    if (key > -1020) {
+                        let arr = [key, obj[key]]
+                        seriesData.push(arr)
+                    }
+
                 })
             }
             seriesData.sort((a, b) => a[0] - b[0])
@@ -1169,6 +1174,8 @@ export default {
 .el-dialog {
     position: fixed;
     top: 10px;
+    margin-top: 110px;
+    left: 220px;
     z-index: 9999;
     width: 450px;
     text-align: center;