优化医学术语映射

ltkg-service/src/main/java/com/diagbot/facade/TermFacade.java

@@ -1,6 +1,8 @@
 package com.diagbot.facade;
 
 import com.diagbot.client.TermServiceClient;
+import com.diagbot.exception.CommonErrorCode;
+import com.diagbot.exception.CommonException;
 import com.diagbot.vo.TermVO;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
@@ -16,7 +18,11 @@ public class TermFacade {
     TermServiceClient termServiceClient;
 
     public String getTerms(TermVO termVO) {
-        return termServiceClient.similaritys(termVO);
+        String similaritys = termServiceClient.similaritys(termVO);
+        if(similaritys==null){
+            throw new CommonException(CommonErrorCode.SERVER_IS_ERROR, "调用术语库服务失败");
+        }
+        return similaritys;
     }
 }