diff --git a/designer_form/build.dev.gradle b/designer_form/build.dev.gradle
index 20dc49a335..ae16b033e3 100644
--- a/designer_form/build.dev.gradle
+++ b/designer_form/build.dev.gradle
@@ -4,7 +4,7 @@ tasks.withType(JavaCompile){
 	options.encoding = 'UTF-8'
 }
 //指定构建的jdk版本
-sourceCompatibility=1.8
+sourceCompatibility=1.7
 //指定生成的jar包版本
 version='8.0'