diff --git a/build.third_step2.gradle b/build.third_step2.gradle
index 74bf1ef0a..7b50ca71e 100644
--- a/build.third_step2.gradle
+++ b/build.third_step2.gradle
@@ -71,8 +71,20 @@ if(indexV != -1){
     version= branchName
 }
 
-// third的feature对应essential和cbb的release，其他对应master
-String essentialBranch = version == 'FEATURE' ? 'RELEASE' : 'MASTER'
+// 主体代码与CBB的对应关系
+String essentialBranch
+switch (version) {
+	case "FEATURE":
+	case "RESEARCH":
+		essentialBranch = "FEATURE"
+		break
+	case "RELEASE":
+	case "BUGFIX":
+		essentialBranch = "RELEASE"
+		break
+	default:
+		essentialBranch = "MASTER"
+}
 
 //指定依赖
 dependencies{
diff --git a/build.third_step3.gradle b/build.third_step3.gradle
index d69a858a3..9f68a329e 100644
--- a/build.third_step3.gradle
+++ b/build.third_step3.gradle
@@ -54,8 +54,20 @@ if(indexV != -1){
     version= branchName
 }
 
-// third的feature对应essential和cbb的release，其他对应master
-String essentialBranch = version == 'FEATURE' ? 'RELEASE' : 'MASTER'
+// 主体代码与CBB的对应关系
+String essentialBranch
+switch (version) {
+	case "FEATURE":
+	case "RESEARCH":
+		essentialBranch = "FEATURE"
+		break
+	case "RELEASE":
+	case "BUGFIX":
+		essentialBranch = "RELEASE"
+		break
+	default:
+		essentialBranch = "MASTER"
+}
 
 
 //指定依赖
diff --git a/build.third_step4.gradle b/build.third_step4.gradle
index 81dba0ad0..ee70404e8 100644
--- a/build.third_step4.gradle
+++ b/build.third_step4.gradle
@@ -54,8 +54,20 @@ if(indexV != -1){
     version= branchName
 }
 
-// third的feature对应essential和cbb的release，其他对应master
-String essentialBranch = version == 'FEATURE' ? 'RELEASE' : 'MASTER'
+// 主体代码与CBB的对应关系
+String essentialBranch
+switch (version) {
+	case "FEATURE":
+	case "RESEARCH":
+		essentialBranch = "FEATURE"
+		break
+	case "RELEASE":
+	case "BUGFIX":
+		essentialBranch = "RELEASE"
+		break
+	default:
+		essentialBranch = "MASTER"
+}
 
 //指定依赖
 dependencies{
diff --git a/build.third_step5.gradle b/build.third_step5.gradle
index be61f1dd6..e1bac0140 100644
--- a/build.third_step5.gradle
+++ b/build.third_step5.gradle
@@ -54,8 +54,20 @@ if(indexV != -1){
     version= branchName
 }
 
-// third的feature对应essential和cbb的release，其他对应master
-String essentialBranch = version == 'FEATURE' ? 'RELEASE' : 'MASTER'
+// 主体代码与CBB的对应关系
+String essentialBranch
+switch (version) {
+	case "FEATURE":
+	case "RESEARCH":
+		essentialBranch = "FEATURE"
+		break
+	case "RELEASE":
+	case "BUGFIX":
+		essentialBranch = "RELEASE"
+		break
+	default:
+		essentialBranch = "MASTER"
+}
 
 //指定依赖
 dependencies{
diff --git a/build.third_step6.gradle b/build.third_step6.gradle
index cfe7d8b1d..702fcf2c5 100644
--- a/build.third_step6.gradle
+++ b/build.third_step6.gradle
@@ -52,8 +52,20 @@ if(indexV != -1){
     version= branchName
 }
 
-// third的feature对应essential和cbb的release，其他对应master
-String essentialBranch = version == 'FEATURE' ? 'RELEASE' : 'MASTER'
+// 主体代码与CBB的对应关系
+String essentialBranch
+switch (version) {
+	case "FEATURE":
+	case "RESEARCH":
+		essentialBranch = "FEATURE"
+		break
+	case "RELEASE":
+	case "BUGFIX":
+		essentialBranch = "RELEASE"
+		break
+	default:
+		essentialBranch = "MASTER"
+}
 
 //指定依赖
 dependencies{
diff --git a/build.third_step7.gradle b/build.third_step7.gradle
index 2727121f0..0ec3d15a2 100644
--- a/build.third_step7.gradle
+++ b/build.third_step7.gradle
@@ -52,8 +52,20 @@ if(indexV != -1){
     version= branchName
 }
 
-// third的feature对应essential和cbb的release，其他对应master
-String essentialBranch = version == 'FEATURE' ? 'RELEASE' : 'MASTER'
+// 主体代码与CBB的对应关系
+String essentialBranch
+switch (version) {
+	case "FEATURE":
+	case "RESEARCH":
+		essentialBranch = "FEATURE"
+		break
+	case "RELEASE":
+	case "BUGFIX":
+		essentialBranch = "RELEASE"
+		break
+	default:
+		essentialBranch = "MASTER"
+}
 
 //指定依赖
 dependencies{
diff --git a/build.third_step8.gradle b/build.third_step8.gradle
index bdd8bdf9b..06866e437 100644
--- a/build.third_step8.gradle
+++ b/build.third_step8.gradle
@@ -53,8 +53,20 @@ if(indexV != -1){
     version= branchName
 }
 
-// third的feature对应essential和cbb的release，其他对应master
-String essentialBranch = version == 'FEATURE' ? 'RELEASE' : 'MASTER'
+// 主体代码与CBB的对应关系
+String essentialBranch
+switch (version) {
+	case "FEATURE":
+	case "RESEARCH":
+		essentialBranch = "FEATURE"
+		break
+	case "RELEASE":
+	case "BUGFIX":
+		essentialBranch = "RELEASE"
+		break
+	default:
+		essentialBranch = "MASTER"
+}
 
 //指定依赖
 dependencies{