Ask the expert to help remove the blue ball in the main picture of Tongda letter. Thanks in advance!

VAR 1:=(8*AAA+7*REF(AAA， 1)+6*REF(AAA，2)+5*REF(AAA，3)+4*REF(AAA，4)+3*REF(AAA，5)+2*REF(AAA，6)+REF(AAA，8))/36；

VAR2:=(HHV(VAR 1，5)+HHV(VAR 1， 10)+HHV(VAR 1，20))/3；

VAR3:=(LLV(VAR 1，5)+LLV(VAR 1， 10)+LLV(VAR 1，20))/3；

VAR4:=(HHV(VAR2，5)+HHV(VAR2， 10)+HHV(VAR2，20))/3；

VAR5:=(LLV(VAR3，5)+LLV(VAR3， 10)+LLV(VAR3，20))/3；

VAR6:=(LLV(VAR 1，2)+LLV(VAR 1，4)+LLV(VAR 1，6))/3；

DRAWBAND(VAR 1，RGB( 155，50，50)，VAR6，RGB(250，250，0))；

Wire drawing (high, open, low, closed);

Short line: VAR 1, COLORWHITE

Center line: VAR6, COLORYELLOW

Down: if (var 1 = var 6, var 6, draw null), the color is green;

n 1:= 5； N2:= 7； N3:= 1 1；

EM 1:=EMA(C，N 1)，COLORWHITE

EM2:=EMA(C，N2)，COLORRED

EM3:=EMA(C，N3)，COLORGREEN

TJ:=BETWEEN(EM2，EM 1，EM3)；

MA20:MA(C，20)line thick 3；

IF(MA20 & gt； REF(MA20， 1)，MA20，DRAWNULL)COLORRED，LINETHICK3

Pile number: = filter (TJ = 0,5);

Price: REF(H, BARSLAST), NODRAW

Stickline (c，ref (h，barlast))，ref (h，barlast)，6，0)，COLORGREEN

DRAWTEXT(C and ISLASTBAR, price,' breakthrough buying');

Water hibiscus: = (open

And (V/MA(V, 30)> 1.2 and C/REF(C, 1)> 1.049);

DRAWTEXT (water hibiscus, L-L*0.0005,' water hibiscus'), COLORYELLOW.

AAA 1:= CLOSE & gt； Open;

BBB 1:= AAA 1 & amp； 5)& amp；; Close & gt Horse (approaching, 5) & & Close & gt Ma (closing,10); & Close & gt Ma (near, 20);

CCC 1:= BBB 1 & amp； & Open & lt Horse (close,10); & Open & lt Horse (near, 20);

Lotus 2: = CCC1&; & (close-open) > 0.06 18 * closing;

DRAWTEXT (water hibiscus 2, h,' water hibiscus 2'), ColorMagenta

Velcro tape (Hibiscus, C, O, 2, 0), yellow in color;

DRAWICON(CROSS(C，valence)，H， 1)；