fix(base): 修改了path的正则匹配

kt-base/src/main/java/org/matrix/actuators/util/CompleteExpressionUtil.java

@@ -31,7 +31,7 @@ public class CompleteExpressionUtil {
 
     public static final String DYNAMIC_VARIABLE_REG = "\\$\\{(((?!(pre|mid|aft)[0-9]+\\.).)*?)}(\\[(.*?)])?";
 
-    public static final String PATH_REG = "\\{(((?!(pre|mid|aft)[0-9]+\\.).)*?)}(\\[(.*?)])?";
+    public static final String PATH_REG = "(?<=\\{)(.+?)(?=\\})";
 
     public String completeVariable(String expression, Long envId, Long projectId) {
         String result = expression;