diff --git a/pqs-common/common-echarts/src/main/java/com/njcn/echarts/json/LineGenerator.java b/pqs-common/common-echarts/src/main/java/com/njcn/echarts/json/LineGenerator.java
index 9fbe39cd2..9c28debb3 100644
--- a/pqs-common/common-echarts/src/main/java/com/njcn/echarts/json/LineGenerator.java
+++ b/pqs-common/common-echarts/src/main/java/com/njcn/echarts/json/LineGenerator.java
@@ -559,7 +559,11 @@ public class LineGenerator {
                 .setName("(时间)")
                 .setBoundaryGap(false)
         );
-        persistentTimeOption.setColor(new String[]{"#CCC", "#A0522D"});
+        if(values.size()==2){
+            persistentTimeOption.setColor(new String[]{"#CCC", "#FF33FF"});
+        }else{
+            persistentTimeOption.setColor(new String[]{"#FFCC33", "#339966","#CC0000","#FF33FF","#3399FF"});
+        }
         Integer max = 0;
         if (CollUtil.isNotEmpty(limit)) {
             Integer num = (Integer) limit.get(0).get(1);
@@ -577,6 +581,7 @@ public class LineGenerator {
                     .setName(key)
                     .setType("line")
                     .setSmooth(true)
+                    .setSymbol("none")
                     .setLabel(new BarLabel().setShow(true).setPosition("bottom"))
                     .setData(value);
             list.add(proportion);
@@ -584,7 +589,8 @@ public class LineGenerator {
         LineSeries proportion2 = new LineSeries()
                 .setName(limitName)
                 .setSmooth(true)
-                .setLineStyle(new LineStyle().setColor("green").setWidth(1).setType("dashed").setOpacity(1))
+                .setSymbol("none")
+                .setLineStyle(new LineStyle().setColor("#FF33FF").setWidth(2).setType("dotted").setOpacity(1))
                 .setData(limit);
         list.add(proportion2);
         SeriesOption[] seriesOptions = list.stream().toArray(SeriesOption[]::new);
diff --git a/pqs-common/common-echarts/src/main/java/com/njcn/echarts/util/DrawPicUtil.java b/pqs-common/common-echarts/src/main/java/com/njcn/echarts/util/DrawPicUtil.java
index 404f011e1..884b1bc86 100644
--- a/pqs-common/common-echarts/src/main/java/com/njcn/echarts/util/DrawPicUtil.java
+++ b/pqs-common/common-echarts/src/main/java/com/njcn/echarts/util/DrawPicUtil.java
@@ -376,44 +376,4 @@ public class DrawPicUtil {
         return drawPic(instantJson, width, height);
     }
 
-    public static void main(String[] args) {
-        DrawPicUtil util=new DrawPicUtil();
-        List<List<Object>> values=new ArrayList<>();
-        List<Object> a = new ArrayList() {{
-            add("2023-10-10 00:10:00");
-            add(12.3);
-        }};
-        values.add(a);
-        List<Object> a1 = new ArrayList() {{
-            add("2023-10-10 00:20:00");
-            add(22.3);
-        }};
-        values.add(a1);
-        List<Object> a2 = new ArrayList() {{
-            add("2023-10-10 00:30:00");
-            add(32.3);
-        }};
-        values.add(a2);
-
-        List<List<Object>> limit=new ArrayList<>();
-        List<Object> b = new ArrayList() {{
-            add("2023-10-10 00:10:00");
-            add(40);
-        }};
-        limit.add(b);
-        List<Object> b1 = new ArrayList() {{
-            add("2023-10-10 00:20:00");
-            add(40);
-        }};
-        limit.add(b1);
-        List<Object> b2 = new ArrayList() {{
-            add("2023-10-10 00:30:00");
-            add(40);
-        }};
-        limit.add(b2);
-        Map<String,List<List<Object>>> da = new HashMap<>();
-        da.put("实际", new ArrayList<>());
-        String s = util.drawSteadyTargetPic("电压", da, "限制", limit);
-        System.out.println();
-    }
 }
diff --git a/pqs-common/common-event/src/main/java/com/njcn/event/file/component/WavePicComponent.java b/pqs-common/common-event/src/main/java/com/njcn/event/file/component/WavePicComponent.java
index c3ae34d1b..96067485f 100644
--- a/pqs-common/common-event/src/main/java/com/njcn/event/file/component/WavePicComponent.java
+++ b/pqs-common/common-event/src/main/java/com/njcn/event/file/component/WavePicComponent.java
@@ -5,6 +5,7 @@ import cn.hutool.core.io.IoUtil;
 import cn.hutool.core.util.CharsetUtil;
 import com.njcn.common.pojo.exception.BusinessException;
 import com.njcn.common.utils.FileUtil;
+import com.njcn.echarts.pojo.constant.PicCommonData;
 import com.njcn.echarts.util.DrawPicUtil;
 import com.njcn.event.file.pojo.bo.WaveDataDetail;
 import com.njcn.event.file.pojo.dto.WaveDataDTO;
@@ -189,8 +190,11 @@ public class WavePicComponent {
         String secondPic;
         if (waveDataDetails.size() == 1) {
             //将图片上传到minioss
-            InputStream instantStream = IoUtil.toStream(firstPic, CharsetUtil.UTF_8);
-            picPath = fileStorageUtil.uploadStream(instantStream, OssPath.EVENT_WAVE_PIC, FileUtil.generateFileName("png"));
+            if (firstPic.contains(PicCommonData.PNG_PREFIX)) {
+                firstPic = firstPic.replace(PicCommonData.PNG_PREFIX, "");
+            }
+            byte[] bytes = Base64.getDecoder().decode(firstPic);
+            picPath = fileStorageUtil.uploadStream(new ByteArrayInputStream(bytes), OssPath.EVENT_WAVE_PIC, FileUtil.generateFileName("png"));
         } else if (waveDataDetails.size() == 2) {
             //绘制第二个电压瞬时波形图
             waveDataDetail = waveDataDetails.get(1);
@@ -225,8 +229,11 @@ public class WavePicComponent {
         String secondPic;
         if (waveDataDetails.size() == 1) {
             //将图片上传到minioss
-            InputStream instantStream = IoUtil.toStream(firstPic, CharsetUtil.UTF_8);
-            picPath = fileStorageUtil.uploadStream(instantStream, OssPath.EVENT_WAVE_PIC, FileUtil.generateFileName("png"));
+            if (firstPic.contains(PicCommonData.PNG_PREFIX)) {
+                firstPic = firstPic.replace(PicCommonData.PNG_PREFIX, "");
+            }
+            byte[] bytes = Base64.getDecoder().decode(firstPic);
+            picPath = fileStorageUtil.uploadStream(new ByteArrayInputStream(bytes), OssPath.EVENT_WAVE_PIC, FileUtil.generateFileName("png"));
         } else if (waveDataDetails.size() == 2) {
             //绘制第二个电压瞬时波形图
             waveDataDetail = waveDataDetails.get(1);
@@ -287,8 +294,10 @@ public class WavePicComponent {
      */
     public String generateSteadyTargetImage(String title, Map<String ,List<List<Object>>> values, String limitName, List<List<Object>> limit) {
         String firstPic = drawPicUtil.drawSteadyTargetPic(title,values,limitName,limit);
-        //将图片上传到minioss
-        InputStream instantStream = IoUtil.toStream(firstPic, CharsetUtil.UTF_8);
-        return fileStorageUtil.uploadStream(instantStream, OssPath.EVENT_WAVE_PIC, FileUtil.generateFileName("png"));
+        if (firstPic.contains(PicCommonData.PNG_PREFIX)) {
+            firstPic = firstPic.replace(PicCommonData.PNG_PREFIX, "");
+        }
+        byte[] bytes = Base64.getDecoder().decode(firstPic);
+        return fileStorageUtil.uploadStream(new ByteArrayInputStream(bytes), OssPath.EVENT_WAVE_PIC, FileUtil.generateFileName("png"));
     }
 }