update

src/utils.jl

@@ -974,13 +974,21 @@ end
 
 """
 function keywordMemoryUpdate!(keywordmemory::AbstractDict, newinfo::AbstractDict)
+  
   for (k, v) in newinfo
     k = String(k)
-    if v === nothing && haskey(keywordmemory, k) && keywordmemory[k] !== nothing
-      # skip
+
+    # some time input keyword is different than dict's key thus it skip update  
+    # e.x.  input key   "tannin level" => "low to medium"
+    # dict key          "wine tannin level" => "low to medium"
+    similar_k = checkSimilarKey(keywordmemory, k)
+    k = similar_k === nothing ? k : similar_k
+
+    if v === nothing && haskey(keywordmemory, similar_k) && keywordmemory[similar_k] !== nothing
+      # do not write value nothing if the key already has value
     else
       if haskey(keywordmemory, k)
-        println("before k $k   v $(keywordmemory[k])")  #BUG this function write null to a non-empty key
+        println("before k $k   v $(keywordmemory[k])")  
       end
       println("write k $k   v $v")
       keywordmemory[k] = v
@@ -991,7 +999,16 @@ function keywordMemoryUpdate!(keywordmemory::AbstractDict, newinfo::AbstractDict
 end
 
 
-
+function checkSimilarKey(dict::AbstractDict, key::AbstractString)
+  similar_k = nothing
+  for (k, v) in dict
+    if occursin(key, String(k))
+      similar_k = k
+      break
+    end
+  end
+  return similar_k
+end