diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java
index 9eddf2a..bf9868b 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java
@@ -6,7 +6,10 @@ import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
+import sun.misc.BASE64Decoder;
 
+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
@@ -296,6 +299,27 @@ public final class Base64
         return encode;
     }
 
+    /**
+     * 将base64字符串转为文件
+     * @param base64
+     * @param filePath
+     * @return
+     */
+    public File base64File(String base64, String filePath) {
+        File file = new File(filePath);
+        byte[] buffer;
+        try {
+            BASE64Decoder base64Decoder = new BASE64Decoder();
+            buffer = base64Decoder.decodeBuffer(base64);
+            FileOutputStream out = new FileOutputStream(filePath);
+            out.write(buffer);
+            out.close();
+        } catch (Exception e) {
+            return null;
+        }
+        return file;
+    }
+
     /**
      * remove WhiteSpace from MIME containing encoded Base64 data.
      *
diff --git a/ruoyi-system/src/main/resources/mapper/quot/QuotMapper.xml b/ruoyi-system/src/main/resources/mapper/quot/QuotMapper.xml
index a69c6f5..1dea577 100644
--- a/ruoyi-system/src/main/resources/mapper/quot/QuotMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/quot/QuotMapper.xml
@@ -557,7 +557,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </select>
 
     <select id="selectZbInfo" resultType="QuotZb">
-        select quot_distinguish,100 * count / SUM(count) OVER() AS quot_percentage
+        select quot_distinguish,
+        CAST(count * 100.0 / SUM(count) OVER() AS DECIMAL(10, 2)) AS quot_percentage
         from (
          select quot_distinguish,count(1) count
          from quot