diff --git a/src/main/java/com/spring/modules/sampleManagement/service/Impl/TechnicalSpecificationServiceImpl.java b/src/main/java/com/spring/modules/sampleManagement/service/Impl/TechnicalSpecificationServiceImpl.java
index ccbf3752..be036b34 100644
--- a/src/main/java/com/spring/modules/sampleManagement/service/Impl/TechnicalSpecificationServiceImpl.java
+++ b/src/main/java/com/spring/modules/sampleManagement/service/Impl/TechnicalSpecificationServiceImpl.java
@@ -1038,7 +1038,11 @@ public class TechnicalSpecificationServiceImpl implements TechnicalSpecification
                 int startIndex = index + prefix.length();
                 String result =st3+ str.substring(startIndex);
                 if (!result.endsWith("/")) {
-                    result += "/";
+                    //判断 如果最后五个字符里面有.  说明地址是文件  如果没有. 说明是路径 后面增加一个斜杠
+                    String lastFiveChars = result.length() > 5 ? result.substring(str.length() - 5) : str;
+                    if(!lastFiveChars.contains(".")){
+                        result += "/";
+                    }
                 }
                 data.setUrl(result);
                 break;