diff --git a/src/toolwrapper/devchat.ts b/src/toolwrapper/devchat.ts
index eb5a22b..f2d29cb 100644
--- a/src/toolwrapper/devchat.ts
+++ b/src/toolwrapper/devchat.ts
@@ -249,7 +249,7 @@ class DevChat {
 				// eslint-disable-next-line @typescript-eslint/naming-convention
 				"OPENAI_API_KEY": llmModelData.api_key,
 				// eslint-disable-next-line @typescript-eslint/naming-convention
-				...llmModelData.api_base? { "OPENAI_API_BASE": llmModelData.api_base } : {}
+				...llmModelData.api_base? { "OPENAI_API_BASE": llmModelData.api_base, "OPENAI_BASE_URL": llmModelData.api_base } : {}
 			};
 
 			// build process options
diff --git a/src/util/commonUtil.ts b/src/util/commonUtil.ts
index 58992af..ca90d91 100644
--- a/src/util/commonUtil.ts
+++ b/src/util/commonUtil.ts
@@ -73,6 +73,7 @@ async function createOpenAiKeyEnv() {
     const openAiApiBase = llmModelData.api_base;
     if (openAiApiBase) {
         envs['OPENAI_API_BASE'] = openAiApiBase;
+		envs['OPENAI_BASE_URL'] = openAiApiBase;
     }
 
 	return envs;